Showing posts with label Bacitracin. Show all posts
Showing posts with label Bacitracin. Show all posts

Sunday, May 30, 2010

Bacitracin, neomycin, polymyxin B, and pramoxin

U.S. BRAND NAMES — Neosporin® + Pain Relief Ointment [OTC]; Tri Biozene [OTC]

PHARMACOLOGIC CATEGORY
Antibiotic, Topical

DOSING: ADULTS — Topical: Apply 1-3 times/day to infected areas; cover with sterile bandage if needed

DOSING: PEDIATRIC — Topical: Children ≥ 2 years: Refer to adult dosing.

DOSING: ELDERLY — Refer to adult dosing.

DOSAGE FORMS — Excipient information presented when available (limited, particularly for generics); consult specific product labeling.

Ointment, topical: Bacitracin 500 units, neomycin 3.5 mg, polymyxin B 10,000 units, and pramoxine hydrochloride 10 mg (15 g, 30 g)
Neosporin® + Pain Relief Ointment: Bacitracin 500 units, neomycin 3.5 mg, polymyxin B 10,000 units, and pramoxine hydrochloride 10 mg per g (15 g, 30 g)
Tri Biozene: Bacitracin 500 units, neomycin 3.5 mg, polymyxin B 10,000 units, and pramoxine hydrochloride 10 mg per g (15 g)

DOSAGE FORMS: CONCISE
Ointment, topical: Bacitracin 500 units, neomycin 3.5 mg, polymyxin B 10,000 units, and pramoxine 10 mg (15 g, 30 g)
Neosporin® + Pain Relief Ointment [OTC]: Bacitracin 500 units, neomycin 3.5 mg, polymyxin B 10,000 units, and pramoxine 10 mg (15 g, 30 g)
Tri Biozene: Bacitracin 500 units, neomycin 3.5 mg, polymyxin B 10,000 units, and pramoxine 10 mg (15 g)

GENERIC EQUIVALENT AVAILABLE — Yes

USE — Prevention and treatment of susceptible superficial topical infections and provide temporary relief of pain or discomfort

CONTRAINDICATIONS — Hypersensitivity to bacitracin, neomycin, polymyxin B, pramoxine, or any component of the formulation

WARNINGS / PRECAUTIONS
Other warnings/precautions:

Bacitracin, neomycin, polymyxin B, and pramoxin

U.S. BRAND NAMES — Neosporin® + Pain Relief Ointment [OTC]; Tri Biozene [OTC]

PHARMACOLOGIC CATEGORY
Antibiotic, Topical

DOSING: ADULTS — Topical: Apply 1-3 times/day to infected areas; cover with sterile bandage if needed

DOSING: PEDIATRIC — Topical: Children ≥ 2 years: Refer to adult dosing.

DOSING: ELDERLY — Refer to adult dosing.

DOSAGE FORMS — Excipient information presented when available (limited, particularly for generics); consult specific product labeling.

Ointment, topical: Bacitracin 500 units, neomycin 3.5 mg, polymyxin B 10,000 units, and pramoxine hydrochloride 10 mg (15 g, 30 g)
Neosporin® + Pain Relief Ointment: Bacitracin 500 units, neomycin 3.5 mg, polymyxin B 10,000 units, and pramoxine hydrochloride 10 mg per g (15 g, 30 g)
Tri Biozene: Bacitracin 500 units, neomycin 3.5 mg, polymyxin B 10,000 units, and pramoxine hydrochloride 10 mg per g (15 g)

DOSAGE FORMS: CONCISE
Ointment, topical: Bacitracin 500 units, neomycin 3.5 mg, polymyxin B 10,000 units, and pramoxine 10 mg (15 g, 30 g)
Neosporin® + Pain Relief Ointment [OTC]: Bacitracin 500 units, neomycin 3.5 mg, polymyxin B 10,000 units, and pramoxine 10 mg (15 g, 30 g)
Tri Biozene: Bacitracin 500 units, neomycin 3.5 mg, polymyxin B 10,000 units, and pramoxine 10 mg (15 g)

GENERIC EQUIVALENT AVAILABLE — Yes

USE — Prevention and treatment of susceptible superficial topical infections and provide temporary relief of pain or discomfort

CONTRAINDICATIONS — Hypersensitivity to bacitracin, neomycin, polymyxin B, pramoxine, or any component of the formulation

WARNINGS / PRECAUTIONS
Other warnings/precautions:

Bacitracin, neomycin, polymyxin B, and hydrocortisone

U.S. BRAND NAMES — Cortisporin® Ointment

PHARMACOLOGIC CATEGORY
Antibiotic, Ophthalmic
Antibiotic, Topical
Corticosteroid, Ophthalmic
Corticosteroid, Topical

DOSING: ADULTS
Ophthalmic infection: Ophthalmic ointment: Instill 1/2 inch ribbon to inside of lower lid every 3-4 hours until improvement occurs.

Superficial dermal infection: Topical: Apply sparingly 2-4 times/day. Therapy should be discontinued when control is achieved; if no improvement is seen, reassessment of diagnosis may be necessary.

DOSING: PEDIATRIC — Refer to adult dosing.

DOSING: ELDERLY — Refer to adult dosing.

DOSAGE FORMS — Excipient information presented when available (limited, particularly for generics); consult specific product labeling.

Ointment, ophthalmic: Bacitracin 400 units, neomycin 3.5 mg, polymyxin B 10,000 units, and hydrocortisone 10 mg per g (3.5 g)

Ointment, topical:
Cortisporin®: Bacitracin 400 units, neomycin 3.5 mg, polymyxin B 5000 units, and hydrocortisone 10 mg per g (15 g)

DOSAGE FORMS: CONCISE
Ointment, ophthalmic: Bacitracin 400 units, neomycin sulfate 3.5 mg, polymyxin B 10,000 units, and hydrocortisone 10 mg per g (3.5 g)

Ointment, topical:
Cortisporin®: Bacitracin 400 units, neomycin 3.5 mg, polymyxin B 5000 units, and hydrocortisone 10 mg per g (15 g)

GENERIC EQUIVALENT AVAILABLE — Yes: Ophthalmic ointment

USE — Prevention and treatment of susceptible inflammatory conditions where bacterial infection (or risk of infection) is present

ADVERSE REACTIONS SIGNIFICANT — Frequency not defined. For additional information, see individual agents.

Ophthalmic ointment:
Dermatologic: Delayed wound healing, rash
Ocular: Cataracts, corneal thinning, glaucoma, irritation, keratitis (bacterial), intraocular pressure increase, optic nerve damage, scleral thinning
Miscellaneous: Hypersensitivity (including anaphylaxis), secondary infection, sensitization to kanamycin, paromomycin, streptomycin, and gentamicin

Topical ointment:
Dermatologic: Acneiform eruptions, allergic contact dermatitis, burning skin, dryness, folliculitis, hypertrichosis, hypopigmentation, irritation, maceration of skin, miliaria, ocular hypertension, perioral dermatitis, pruritus, skin atrophy, striae
Otic: Ototoxicity
Renal: Nephrotoxicity
Miscellaneous: Hypersensitivity (including anaphylaxis), secondary infection, sensitization to karamycin, paromycin, streptomycin, and gentamicin

CONTRAINDICATIONS — Hypersensitivity to bacitracin, neomycin, polymyxin B, hydrocortisone, or any component of the formulation; not for use in viral infections, fungal diseases, mycobacterial infections

WARNINGS / PRECAUTIONS
Concerns related to adverse effects: Adrenal suppression: Systemic absorption of topical corticosteroids may cause hypothalamic-pituitary-adrenal (HPA) axis suppression (reversible) particularly in younger children. HPA axis suppression may lead to adrenal crisis. Risk is increased when used over large surface areas, for prolonged periods, or with occlusive dressings. Immunosuppression: Prolonged use of corticosteroids may also increase the incidence of secondary infection, mask acute infection (including fungal infections), prolong or exacerbate viral infections, or limit response to vaccines. Kaposi's sarcoma: Prolonged treatment with corticosteroids has been associated with the development of Kaposi's sarcoma (case reports); if noted, discontinuation of therapy should be considered. Neomycin sensitization: Symptoms of neomycin sensitization include itching, reddening, edema, and failure to heal. Discontinuation of product and avoidance of similar products should be considered. Systemic effects: Adverse systemic effects including hyperglycemia, glycosuria, and fluid and electrolyte changes.

Dosage form specific issues: Ophthalmic ointment: Should never be directly introduced into the anterior chamber. May retard corneal healing. Prolonged use may result in ocular hypertension/glaucoma, corneal and scleral thinning, potentially resulting in perforation. Use with caution in glaucoma. Avoid use following ocular cataract surgery. Inadvertent contamination of multiple-dose ophthalmic solutions, has caused bacterial keratitis.

METABOLISM / TRANSPORT EFFECTS — Hydrocortisone: Substrate of CYP3A4 (minor); Induces CYP3A4 (weak)

DRUG INTERACTIONS
Acetylcholinesterase Inhibitors: Corticosteroids (Systemic) may enhance the adverse/toxic effect of Acetylcholinesterase Inhibitors. Increased muscular weakness may occur. Risk C: Monitor therapy

Aminoglutethimide: May increase the metabolism of Corticosteroids (Systemic). Risk C: Monitor therapy

Amphotericin B: May enhance the nephrotoxic effect of Aminoglycosides. Risk C: Monitor therapy

Amphotericin B: Corticosteroids (Systemic) may enhance the hypokalemic effect of Amphotericin B. Risk C: Monitor therapy

Antacids: May decrease the bioavailability of Corticosteroids (Oral). Risk D: Consider therapy modification

Antidiabetic Agents: Corticosteroids (Systemic) may diminish the hypoglycemic effect of Antidiabetic Agents. In some instances, corticosteroid-mediated HPA axis suppression has led to episodes of acute adrenal crisis, which may manifest as enhanced hypoglycemia, particularly in the setting of insulin or other antidiabetic agent use. Risk C: Monitor therapy

Antifungal Agents (Azole Derivatives, Systemic): May decrease the metabolism of Corticosteroids (Systemic). Risk C: Monitor therapy

Aprepitant: May increase the serum concentration of Corticosteroids (Systemic). Risk D: Consider therapy modification

Barbiturates: May increase the metabolism of Corticosteroids (Systemic). Risk C: Monitor therapy

Bile Acid Sequestrants: May decrease the absorption of Corticosteroids (Oral). Risk C: Monitor therapy

Bisphosphonate Derivatives: Aminoglycosides may enhance the hypocalcemic effect of Bisphosphonate Derivatives. Risk C: Monitor therapy

Calcitriol: Corticosteroids (Systemic) may diminish the therapeutic effect of Calcitriol. Risk C: Monitor therapy

Calcium Channel Blockers (Nondihydropyridine): May decrease the metabolism of Corticosteroids (Systemic). Risk C: Monitor therapy

Capreomycin: May enhance the neuromuscular-blocking effect of Polymyxin B. Risk C: Monitor therapy

Capreomycin: May enhance the neuromuscular-blocking effect of Aminoglycosides. Risk C: Monitor therapy

CARBOplatin: Aminoglycosides may enhance the ototoxic effect of CARBOplatin. Especially with higher doses of carboplatin. Risk C: Monitor therapy

Cardiac Glycosides: Aminoglycosides may decrease the absorption of Cardiac Glycosides. Risk C: Monitor therapy

CISplatin: May enhance the nephrotoxic effect of Aminoglycosides. Risk C: Monitor therapy

Colistimethate: Aminoglycosides may enhance the nephrotoxic effect of Colistimethate. Aminoglycosides may enhance the neuromuscular-blocking effect of Colistimethate. Risk D: Consider therapy modification

Colistimethate: Polymyxin B may enhance the neuromuscular-blocking effect of Colistimethate. Risk C: Monitor therapy

Corticorelin: Corticosteroids may diminish the therapeutic effect of Corticorelin. Specifically, the plasma ACTH response to corticorelin may be blunted by recent or current corticosteroid therapy. Risk C: Monitor therapy

CycloSPORINE: Aminoglycosides may enhance the nephrotoxic effect of CycloSPORINE. Risk C: Monitor therapy

CycloSPORINE: Corticosteroids (Systemic) may increase the serum concentration of CycloSPORINE. CycloSPORINE may increase the serum concentration of Corticosteroids (Systemic). Risk C: Monitor therapy

Echinacea: May diminish the therapeutic effect of Immunosuppressants. Risk D: Consider therapy modification

Estrogen Derivatives: May increase the serum concentration of Corticosteroids (Systemic). Risk C: Monitor therapy

Fluconazole: May decrease the metabolism of Corticosteroids (Systemic). Risk C: Monitor therapy

Fosaprepitant: May increase the serum concentration of Corticosteroids (Systemic). The active metabolite aprepitant is likely responsible for this effect. Risk D: Consider therapy modification

Gallium Nitrate: Aminoglycosides may enhance the nephrotoxic effect of Gallium Nitrate. Risk X: Avoid combination

Isoniazid: Corticosteroids (Systemic) may decrease the serum concentration of Isoniazid. Risk C: Monitor therapy

Leflunomide: Immunosuppressants may enhance the adverse/toxic effect of Leflunomide. Specifically, the risk for hematologic toxicity such as pancytopenia, agranulocytosis, and/or thrombocytopenia may be increased. Management: Consider not using a leflunomide loading dose in patients receiving other immunosuppressants. Patients receiving both leflunomide and another immunosuppressant should be monitored for bone marrow suppression at least monthly. Risk D: Consider therapy modification

Loop Diuretics: May enhance the adverse/toxic effect of Aminoglycosides. Specifically, nephrotoxicity and ototoxicity. Risk C: Monitor therapy

Loop Diuretics: Corticosteroids (Systemic) may enhance the hypokalemic effect of Loop Diuretics. Risk C: Monitor therapy

Macrolide Antibiotics: May decrease the metabolism of Corticosteroids (Systemic). Exceptions: Azithromycin; Dirithromycin [Off Market]; Spiramycin. Risk D: Consider therapy modification

Mitotane: May decrease the serum concentration of Corticosteroids (Systemic). Risk D: Consider therapy modification

Natalizumab: Immunosuppressants may enhance the adverse/toxic effect of Natalizumab. Specifically, the risk of concurrent infection may be increased. Risk X: Avoid combination

Neuromuscular-Blocking Agents: Polymyxin B may enhance the neuromuscular-blocking effect of Neuromuscular-Blocking Agents. Risk D: Consider therapy modification

Neuromuscular-Blocking Agents: Aminoglycosides may enhance the respiratory depressant effect of Neuromuscular-Blocking Agents. Risk C: Monitor therapy

Neuromuscular-Blocking Agents (Nondepolarizing): May enhance the adverse neuromuscular effect of Corticosteroids (Systemic). Increased muscle weakness, possibly progressing to polyneuropathies and myopathies, may occur. Risk D: Consider therapy modification

NSAID (COX-2 Inhibitor): Corticosteroids (Systemic) may enhance the adverse/toxic effect of NSAID (COX-2 Inhibitor). Risk C: Monitor therapy

NSAID (Nonselective): Corticosteroids (Systemic) may enhance the adverse/toxic effect of NSAID (Nonselective). Risk C: Monitor therapy

OnabotulinumtoxinA: Aminoglycosides may enhance the neuromuscular-blocking effect of OnabotulinumtoxinA. Risk C: Monitor therapy

Penicillins: May decrease the serum concentration of Aminoglycosides. Primarily associated with extended spectrum penicillins, and patients with renal dysfunction. Exceptions: Amoxicillin; Ampicillin; Cloxacillin; Dicloxacillin; Methicillin; Nafcillin; Oxacillin; Penicillin G (Parenteral/Aqueous); Penicillin G Benzathine; Penicillin G Procaine; Penicillin V Potassium. Risk D: Consider therapy modification

P-Glycoprotein Inducers: May decrease the serum concentration of P-Glycoprotein Substrates. P-glycoprotein inducers may also further limit the distribution of p-glycoprotein substrates to specific cells/tissues/organs where p-glycoprotein is present in large amounts (e.g., brain, T-lymphocytes, testes, etc.). Risk C: Monitor therapy

P-Glycoprotein Inhibitors: May increase the serum concentration of P-Glycoprotein Substrates. P-glycoprotein inhibitors may also enhance the distribution of p-glycoprotein substrates to specific cells/tissues/organs where p-glycoprotein is present in large amounts (e.g., brain, T-lymphocytes, testes, etc.). Risk C: Monitor therapy

Primidone: May increase the metabolism of Corticosteroids (Systemic). Risk C: Monitor therapy

Quinolone Antibiotics: May enhance the adverse/toxic effect of Corticosteroids (Systemic). Risk of tendon-related side effects, including tendonitis and rupture, may be enhanced. Risk C: Monitor therapy

Rifamycin Derivatives: May increase the metabolism of Corticosteroids (Systemic). Risk C: Monitor therapy

RimabotulinumtoxinB: Aminoglycosides may enhance the neuromuscular-blocking effect of RimabotulinumtoxinB. Risk C: Monitor therapy

Salicylates: May enhance the adverse/toxic effect of Corticosteroids (Systemic). These specifically include gastrointestinal ulceration and bleeding. Corticosteroids (Systemic) may decrease the serum concentration of Salicylates. Withdrawal of corticosteroids may result in salicylate toxicity. Risk C: Monitor therapy

Thiazide Diuretics: Corticosteroids (Systemic) may enhance the hypokalemic effect of Thiazide Diuretics. Risk C: Monitor therapy

Trastuzumab: May enhance the neutropenic effect of Immunosuppressants. Risk C: Monitor therapy

Vaccines (Inactivated): Immunosuppressants may diminish the therapeutic effect of Vaccines (Inactivated). Risk C: Monitor therapy

Vaccines (Live): Immunosuppressants may enhance the adverse/toxic effect of Vaccines (Live). Vaccinial infections may develop. Immunosuppressants may diminish the therapeutic effect of Vaccines (Live). Risk X: Avoid combination

Vancomycin: May enhance the nephrotoxic effect of Aminoglycosides. Risk C: Monitor therapy

Warfarin: Corticosteroids (Systemic) may enhance the anticoagulant effect of Warfarin. Risk C: Monitor therapy

PREGNANCY RISK FACTOR — C (show table)

LACTATION — Excretion in breast milk unknown/use caution

PRICING — (data from drugstore.com)
Ointment (Bacitra-Neomycin-Polymyxin-HC)
1% (3.5): $13.93

Ointment (Cortisporin)
1% (15): $70.84

MONITORING PARAMETERS — If ophthalmic ointment is used >10 days or in patients with glaucoma, monitor intraocular pressure (IOP).

CANADIAN BRAND NAMES — Cortisporin® Topical Ointment

INTERNATIONAL BRAND NAMES — Cortisporin Topical Ointment (CA); Polybamycin (SG)

MECHANISM OF ACTION — See individual agents.

PHARMACODYNAMICS / KINETICS — See individual agents.

Bacitracin, neomycin, polymyxin B, and hydrocortisone

U.S. BRAND NAMES — Cortisporin® Ointment

PHARMACOLOGIC CATEGORY
Antibiotic, Ophthalmic
Antibiotic, Topical
Corticosteroid, Ophthalmic
Corticosteroid, Topical

DOSING: ADULTS
Ophthalmic infection: Ophthalmic ointment: Instill 1/2 inch ribbon to inside of lower lid every 3-4 hours until improvement occurs.

Superficial dermal infection: Topical: Apply sparingly 2-4 times/day. Therapy should be discontinued when control is achieved; if no improvement is seen, reassessment of diagnosis may be necessary.

DOSING: PEDIATRIC — Refer to adult dosing.

DOSING: ELDERLY — Refer to adult dosing.

DOSAGE FORMS — Excipient information presented when available (limited, particularly for generics); consult specific product labeling.

Ointment, ophthalmic: Bacitracin 400 units, neomycin 3.5 mg, polymyxin B 10,000 units, and hydrocortisone 10 mg per g (3.5 g)

Ointment, topical:
Cortisporin®: Bacitracin 400 units, neomycin 3.5 mg, polymyxin B 5000 units, and hydrocortisone 10 mg per g (15 g)

DOSAGE FORMS: CONCISE
Ointment, ophthalmic: Bacitracin 400 units, neomycin sulfate 3.5 mg, polymyxin B 10,000 units, and hydrocortisone 10 mg per g (3.5 g)

Ointment, topical:
Cortisporin®: Bacitracin 400 units, neomycin 3.5 mg, polymyxin B 5000 units, and hydrocortisone 10 mg per g (15 g)

GENERIC EQUIVALENT AVAILABLE — Yes: Ophthalmic ointment

USE — Prevention and treatment of susceptible inflammatory conditions where bacterial infection (or risk of infection) is present

ADVERSE REACTIONS SIGNIFICANT — Frequency not defined. For additional information, see individual agents.

Ophthalmic ointment:
Dermatologic: Delayed wound healing, rash
Ocular: Cataracts, corneal thinning, glaucoma, irritation, keratitis (bacterial), intraocular pressure increase, optic nerve damage, scleral thinning
Miscellaneous: Hypersensitivity (including anaphylaxis), secondary infection, sensitization to kanamycin, paromomycin, streptomycin, and gentamicin

Topical ointment:
Dermatologic: Acneiform eruptions, allergic contact dermatitis, burning skin, dryness, folliculitis, hypertrichosis, hypopigmentation, irritation, maceration of skin, miliaria, ocular hypertension, perioral dermatitis, pruritus, skin atrophy, striae
Otic: Ototoxicity
Renal: Nephrotoxicity
Miscellaneous: Hypersensitivity (including anaphylaxis), secondary infection, sensitization to karamycin, paromycin, streptomycin, and gentamicin

CONTRAINDICATIONS — Hypersensitivity to bacitracin, neomycin, polymyxin B, hydrocortisone, or any component of the formulation; not for use in viral infections, fungal diseases, mycobacterial infections

WARNINGS / PRECAUTIONS
Concerns related to adverse effects: Adrenal suppression: Systemic absorption of topical corticosteroids may cause hypothalamic-pituitary-adrenal (HPA) axis suppression (reversible) particularly in younger children. HPA axis suppression may lead to adrenal crisis. Risk is increased when used over large surface areas, for prolonged periods, or with occlusive dressings. Immunosuppression: Prolonged use of corticosteroids may also increase the incidence of secondary infection, mask acute infection (including fungal infections), prolong or exacerbate viral infections, or limit response to vaccines. Kaposi's sarcoma: Prolonged treatment with corticosteroids has been associated with the development of Kaposi's sarcoma (case reports); if noted, discontinuation of therapy should be considered. Neomycin sensitization: Symptoms of neomycin sensitization include itching, reddening, edema, and failure to heal. Discontinuation of product and avoidance of similar products should be considered. Systemic effects: Adverse systemic effects including hyperglycemia, glycosuria, and fluid and electrolyte changes.

Dosage form specific issues: Ophthalmic ointment: Should never be directly introduced into the anterior chamber. May retard corneal healing. Prolonged use may result in ocular hypertension/glaucoma, corneal and scleral thinning, potentially resulting in perforation. Use with caution in glaucoma. Avoid use following ocular cataract surgery. Inadvertent contamination of multiple-dose ophthalmic solutions, has caused bacterial keratitis.

METABOLISM / TRANSPORT EFFECTS — Hydrocortisone: Substrate of CYP3A4 (minor); Induces CYP3A4 (weak)

DRUG INTERACTIONS
Acetylcholinesterase Inhibitors: Corticosteroids (Systemic) may enhance the adverse/toxic effect of Acetylcholinesterase Inhibitors. Increased muscular weakness may occur. Risk C: Monitor therapy

Aminoglutethimide: May increase the metabolism of Corticosteroids (Systemic). Risk C: Monitor therapy

Amphotericin B: May enhance the nephrotoxic effect of Aminoglycosides. Risk C: Monitor therapy

Amphotericin B: Corticosteroids (Systemic) may enhance the hypokalemic effect of Amphotericin B. Risk C: Monitor therapy

Antacids: May decrease the bioavailability of Corticosteroids (Oral). Risk D: Consider therapy modification

Antidiabetic Agents: Corticosteroids (Systemic) may diminish the hypoglycemic effect of Antidiabetic Agents. In some instances, corticosteroid-mediated HPA axis suppression has led to episodes of acute adrenal crisis, which may manifest as enhanced hypoglycemia, particularly in the setting of insulin or other antidiabetic agent use. Risk C: Monitor therapy

Antifungal Agents (Azole Derivatives, Systemic): May decrease the metabolism of Corticosteroids (Systemic). Risk C: Monitor therapy

Aprepitant: May increase the serum concentration of Corticosteroids (Systemic). Risk D: Consider therapy modification

Barbiturates: May increase the metabolism of Corticosteroids (Systemic). Risk C: Monitor therapy

Bile Acid Sequestrants: May decrease the absorption of Corticosteroids (Oral). Risk C: Monitor therapy

Bisphosphonate Derivatives: Aminoglycosides may enhance the hypocalcemic effect of Bisphosphonate Derivatives. Risk C: Monitor therapy

Calcitriol: Corticosteroids (Systemic) may diminish the therapeutic effect of Calcitriol. Risk C: Monitor therapy

Calcium Channel Blockers (Nondihydropyridine): May decrease the metabolism of Corticosteroids (Systemic). Risk C: Monitor therapy

Capreomycin: May enhance the neuromuscular-blocking effect of Polymyxin B. Risk C: Monitor therapy

Capreomycin: May enhance the neuromuscular-blocking effect of Aminoglycosides. Risk C: Monitor therapy

CARBOplatin: Aminoglycosides may enhance the ototoxic effect of CARBOplatin. Especially with higher doses of carboplatin. Risk C: Monitor therapy

Cardiac Glycosides: Aminoglycosides may decrease the absorption of Cardiac Glycosides. Risk C: Monitor therapy

CISplatin: May enhance the nephrotoxic effect of Aminoglycosides. Risk C: Monitor therapy

Colistimethate: Aminoglycosides may enhance the nephrotoxic effect of Colistimethate. Aminoglycosides may enhance the neuromuscular-blocking effect of Colistimethate. Risk D: Consider therapy modification

Colistimethate: Polymyxin B may enhance the neuromuscular-blocking effect of Colistimethate. Risk C: Monitor therapy

Corticorelin: Corticosteroids may diminish the therapeutic effect of Corticorelin. Specifically, the plasma ACTH response to corticorelin may be blunted by recent or current corticosteroid therapy. Risk C: Monitor therapy

CycloSPORINE: Aminoglycosides may enhance the nephrotoxic effect of CycloSPORINE. Risk C: Monitor therapy

CycloSPORINE: Corticosteroids (Systemic) may increase the serum concentration of CycloSPORINE. CycloSPORINE may increase the serum concentration of Corticosteroids (Systemic). Risk C: Monitor therapy

Echinacea: May diminish the therapeutic effect of Immunosuppressants. Risk D: Consider therapy modification

Estrogen Derivatives: May increase the serum concentration of Corticosteroids (Systemic). Risk C: Monitor therapy

Fluconazole: May decrease the metabolism of Corticosteroids (Systemic). Risk C: Monitor therapy

Fosaprepitant: May increase the serum concentration of Corticosteroids (Systemic). The active metabolite aprepitant is likely responsible for this effect. Risk D: Consider therapy modification

Gallium Nitrate: Aminoglycosides may enhance the nephrotoxic effect of Gallium Nitrate. Risk X: Avoid combination

Isoniazid: Corticosteroids (Systemic) may decrease the serum concentration of Isoniazid. Risk C: Monitor therapy

Leflunomide: Immunosuppressants may enhance the adverse/toxic effect of Leflunomide. Specifically, the risk for hematologic toxicity such as pancytopenia, agranulocytosis, and/or thrombocytopenia may be increased. Management: Consider not using a leflunomide loading dose in patients receiving other immunosuppressants. Patients receiving both leflunomide and another immunosuppressant should be monitored for bone marrow suppression at least monthly. Risk D: Consider therapy modification

Loop Diuretics: May enhance the adverse/toxic effect of Aminoglycosides. Specifically, nephrotoxicity and ototoxicity. Risk C: Monitor therapy

Loop Diuretics: Corticosteroids (Systemic) may enhance the hypokalemic effect of Loop Diuretics. Risk C: Monitor therapy

Macrolide Antibiotics: May decrease the metabolism of Corticosteroids (Systemic). Exceptions: Azithromycin; Dirithromycin [Off Market]; Spiramycin. Risk D: Consider therapy modification

Mitotane: May decrease the serum concentration of Corticosteroids (Systemic). Risk D: Consider therapy modification

Natalizumab: Immunosuppressants may enhance the adverse/toxic effect of Natalizumab. Specifically, the risk of concurrent infection may be increased. Risk X: Avoid combination

Neuromuscular-Blocking Agents: Polymyxin B may enhance the neuromuscular-blocking effect of Neuromuscular-Blocking Agents. Risk D: Consider therapy modification

Neuromuscular-Blocking Agents: Aminoglycosides may enhance the respiratory depressant effect of Neuromuscular-Blocking Agents. Risk C: Monitor therapy

Neuromuscular-Blocking Agents (Nondepolarizing): May enhance the adverse neuromuscular effect of Corticosteroids (Systemic). Increased muscle weakness, possibly progressing to polyneuropathies and myopathies, may occur. Risk D: Consider therapy modification

NSAID (COX-2 Inhibitor): Corticosteroids (Systemic) may enhance the adverse/toxic effect of NSAID (COX-2 Inhibitor). Risk C: Monitor therapy

NSAID (Nonselective): Corticosteroids (Systemic) may enhance the adverse/toxic effect of NSAID (Nonselective). Risk C: Monitor therapy

OnabotulinumtoxinA: Aminoglycosides may enhance the neuromuscular-blocking effect of OnabotulinumtoxinA. Risk C: Monitor therapy

Penicillins: May decrease the serum concentration of Aminoglycosides. Primarily associated with extended spectrum penicillins, and patients with renal dysfunction. Exceptions: Amoxicillin; Ampicillin; Cloxacillin; Dicloxacillin; Methicillin; Nafcillin; Oxacillin; Penicillin G (Parenteral/Aqueous); Penicillin G Benzathine; Penicillin G Procaine; Penicillin V Potassium. Risk D: Consider therapy modification

P-Glycoprotein Inducers: May decrease the serum concentration of P-Glycoprotein Substrates. P-glycoprotein inducers may also further limit the distribution of p-glycoprotein substrates to specific cells/tissues/organs where p-glycoprotein is present in large amounts (e.g., brain, T-lymphocytes, testes, etc.). Risk C: Monitor therapy

P-Glycoprotein Inhibitors: May increase the serum concentration of P-Glycoprotein Substrates. P-glycoprotein inhibitors may also enhance the distribution of p-glycoprotein substrates to specific cells/tissues/organs where p-glycoprotein is present in large amounts (e.g., brain, T-lymphocytes, testes, etc.). Risk C: Monitor therapy

Primidone: May increase the metabolism of Corticosteroids (Systemic). Risk C: Monitor therapy

Quinolone Antibiotics: May enhance the adverse/toxic effect of Corticosteroids (Systemic). Risk of tendon-related side effects, including tendonitis and rupture, may be enhanced. Risk C: Monitor therapy

Rifamycin Derivatives: May increase the metabolism of Corticosteroids (Systemic). Risk C: Monitor therapy

RimabotulinumtoxinB: Aminoglycosides may enhance the neuromuscular-blocking effect of RimabotulinumtoxinB. Risk C: Monitor therapy

Salicylates: May enhance the adverse/toxic effect of Corticosteroids (Systemic). These specifically include gastrointestinal ulceration and bleeding. Corticosteroids (Systemic) may decrease the serum concentration of Salicylates. Withdrawal of corticosteroids may result in salicylate toxicity. Risk C: Monitor therapy

Thiazide Diuretics: Corticosteroids (Systemic) may enhance the hypokalemic effect of Thiazide Diuretics. Risk C: Monitor therapy

Trastuzumab: May enhance the neutropenic effect of Immunosuppressants. Risk C: Monitor therapy

Vaccines (Inactivated): Immunosuppressants may diminish the therapeutic effect of Vaccines (Inactivated). Risk C: Monitor therapy

Vaccines (Live): Immunosuppressants may enhance the adverse/toxic effect of Vaccines (Live). Vaccinial infections may develop. Immunosuppressants may diminish the therapeutic effect of Vaccines (Live). Risk X: Avoid combination

Vancomycin: May enhance the nephrotoxic effect of Aminoglycosides. Risk C: Monitor therapy

Warfarin: Corticosteroids (Systemic) may enhance the anticoagulant effect of Warfarin. Risk C: Monitor therapy

PREGNANCY RISK FACTOR — C (show table)

LACTATION — Excretion in breast milk unknown/use caution

PRICING — (data from drugstore.com)
Ointment (Bacitra-Neomycin-Polymyxin-HC)
1% (3.5): $13.93

Ointment (Cortisporin)
1% (15): $70.84

MONITORING PARAMETERS — If ophthalmic ointment is used >10 days or in patients with glaucoma, monitor intraocular pressure (IOP).

CANADIAN BRAND NAMES — Cortisporin® Topical Ointment

INTERNATIONAL BRAND NAMES — Cortisporin Topical Ointment (CA); Polybamycin (SG)

MECHANISM OF ACTION — See individual agents.

PHARMACODYNAMICS / KINETICS — See individual agents.

Bacitracin, neomycin, and polymyxin B

U.S. BRAND NAMES — Neosporin® Neo To Go® [OTC]; Neosporin® Topical [OTC]

PHARMACOLOGIC CATEGORY
Antibiotic, Ophthalmic
Antibiotic, Topical

DOSING: ADULTS
Ophthalmic infection: Ophthalmic ointment: Instill 1/2" into the conjunctival sac every 3-4 hours for 7-10 days for acute infections

Superficial dermal infection: Topical: Apply 1-3 times/day to infected area; may cover with sterile bandage if necessary.

DOSING: PEDIATRIC — Refer to adult dosing.

(For additional information see "Bacitracin, neomycin, and polymyxin B: Pediatric drug information")

DOSING: ELDERLY — Refer to adult dosing.

DOSAGE FORMS — Excipient information presented when available (limited, particularly for generics); consult specific product labeling.

Ointment, ophthalmic: Bacitracin 400 units, neomycin 3.5 mg, and polymyxin B 10,000 units per g (3.5 g)

Ointment, topical: Bacitracin 400 units, neomycin 3.5 mg, and polymyxin B 5000 units per g (0.9 g, 15 g, 30 g, 454 g)
Neosporin®: Bacitracin 400 units, neomycin 3.5 mg, and polymyxin B 5000 units per g (15 g, 30 g)
Neosporin® Neo To Go®: Bacitracin 400 units, neomycin 3.5 mg, and polymyxin B 5000 units per g (0.9 g)

DOSAGE FORMS: CONCISE
Ointment, ophthalmic: Bacitracin 400 units, neomycin 3.5 mg, and polymyxin B 10,000 units per g (3.5 g)

Ointment, topical: Bacitracin 400 units, neomycin 3.5 mg, and polymyxin B 5000 units per g (0.9 g, 15 g, 30 g, 454 g)
Neosporin® [OTC]: Bacitracin 400 units, neomycin 3.5 mg, and polymyxin B 5000 units per g (15 g, 30 g)
Neosporin® Neo To Go® [OTC]: Bacitracin 400 units, neomycin 3.5 mg, and polymyxin B 5000 units per g (0.9 g)

GENERIC EQUIVALENT AVAILABLE — Yes

USE — Helps prevent infection in minor cuts, scrapes, and burns; short-term treatment of superficial external ocular infections caused by susceptible organisms

ADVERSE REACTIONS SIGNIFICANT — Frequency not defined.

Dermatologic: Reddening, allergic contact dermatitis

Local: Itching, failure to heal, swelling, irritation

Ophthalmic: Conjunctival edema

Miscellaneous: Anaphylaxis

CONTRAINDICATIONS — Hypersensitivity to neomycin, polymyxin B, zinc bacitracin, or any component of the formulation; epithelial herpes simplex keratitis; mycobacterial or fungal infections; topical ointments for external use only

WARNINGS / PRECAUTIONS
Dosage form specific issues: Ophthalmic ointment: Bacterial keratitis has been reported with the use of topical ophthalmic products in multiple-dose containers. Care should be taken to not contaminate the container. Topical ointment: When used for self-medication (OTC use), patients should notify healthcare provider if needed for >1 week. Should not be used for self-medication on deep or puncture wounds, animal bites, or serious burns. Not for application to large areas of the body.

DRUG INTERACTIONS
Amphotericin B: May enhance the nephrotoxic effect of Aminoglycosides. Risk C: Monitor therapy

Bisphosphonate Derivatives: Aminoglycosides may enhance the hypocalcemic effect of Bisphosphonate Derivatives. Risk C: Monitor therapy

Capreomycin: May enhance the neuromuscular-blocking effect of Polymyxin B. Risk C: Monitor therapy

Capreomycin: May enhance the neuromuscular-blocking effect of Aminoglycosides. Risk C: Monitor therapy

CARBOplatin: Aminoglycosides may enhance the ototoxic effect of CARBOplatin. Especially with higher doses of carboplatin. Risk C: Monitor therapy

Cardiac Glycosides: Aminoglycosides may decrease the absorption of Cardiac Glycosides. Risk C: Monitor therapy

CISplatin: May enhance the nephrotoxic effect of Aminoglycosides. Risk C: Monitor therapy

Colistimethate: Aminoglycosides may enhance the nephrotoxic effect of Colistimethate. Aminoglycosides may enhance the neuromuscular-blocking effect of Colistimethate. Risk D: Consider therapy modification

Colistimethate: Polymyxin B may enhance the neuromuscular-blocking effect of Colistimethate. Risk C: Monitor therapy

CycloSPORINE: Aminoglycosides may enhance the nephrotoxic effect of CycloSPORINE. Risk C: Monitor therapy

Gallium Nitrate: Aminoglycosides may enhance the nephrotoxic effect of Gallium Nitrate. Risk X: Avoid combination

Loop Diuretics: May enhance the adverse/toxic effect of Aminoglycosides. Specifically, nephrotoxicity and ototoxicity. Risk C: Monitor therapy

Neuromuscular-Blocking Agents: Polymyxin B may enhance the neuromuscular-blocking effect of Neuromuscular-Blocking Agents. Risk D: Consider therapy modification

Neuromuscular-Blocking Agents: Aminoglycosides may enhance the respiratory depressant effect of Neuromuscular-Blocking Agents. Risk C: Monitor therapy

Nonsteroidal Anti-Inflammatory Agents: May decrease the excretion of Aminoglycosides. Data only in premature infants. Risk C: Monitor therapy

OnabotulinumtoxinA: Aminoglycosides may enhance the neuromuscular-blocking effect of OnabotulinumtoxinA. Risk C: Monitor therapy

Penicillins: May decrease the serum concentration of Aminoglycosides. Primarily associated with extended spectrum penicillins, and patients with renal dysfunction. Exceptions: Amoxicillin; Ampicillin; Cloxacillin; Dicloxacillin; Methicillin; Nafcillin; Oxacillin; Penicillin G (Parenteral/Aqueous); Penicillin G Benzathine; Penicillin G Procaine; Penicillin V Potassium. Risk D: Consider therapy modification

RimabotulinumtoxinB: Aminoglycosides may enhance the neuromuscular-blocking effect of RimabotulinumtoxinB. Risk C: Monitor therapy

Vancomycin: May enhance the nephrotoxic effect of Aminoglycosides. Risk C: Monitor therapy

PREGNANCY RISK FACTOR — C (show table)

PREGNANCY IMPLICATIONS — Reproduction studies have not been conducted with this combination; therefore, Bacitracin, Neomycin, and Polymyxin B is classified as pregnancy category C. See individual agents.

LACTATION — Excretion in breast milk unknown/use caution

BREAST-FEEDING CONSIDERATIONS — It is not known if bacitracin, neomycin, or polymyxin B is excreted into breast milk. The manufacturer recommends that caution be exercised when administering Bacitracin, Neomycin, and Polymyxin B to nursing women. See individual agents.

PRICING — (data from drugstore.com)
Ointment (Neomycin-Bacitracin Zn-Polymyx)
5-400-10000 (3.5): $7.99

INTERNATIONAL BRAND NAMES — Bamyxin (IL); Dactrol (ID); Multimycin (PE); My-B (TH); Neo-Polybacin (AE, BF, BH, BJ, CI, CY, EG, ET, GH, GM, GN, IL, IQ, IR, JO, KE, KW, LB, LR, LY, MA, ML, MR, MU, MW, NE, NG, OM, QA, SA, SC, SD, SL, SN, SY, TN, TZ, UG, YE, ZA, ZM, ZW); Neosporin Dermico (MX); Neosporin Ophthalmic Ointment (AU, IN); Novosporina (PY); Polixin Ungena (MX); Polysporin (BR); Terramycin Plus (PH); Tribiot (MX); Yentuogin (TW)

MECHANISM OF ACTION — See individual agents.

PHARMACODYNAMICS / KINETICS — See individual agents.

Bacitracin, neomycin, and polymyxin B

U.S. BRAND NAMES — Neosporin® Neo To Go® [OTC]; Neosporin® Topical [OTC]

PHARMACOLOGIC CATEGORY
Antibiotic, Ophthalmic
Antibiotic, Topical

DOSING: ADULTS
Ophthalmic infection: Ophthalmic ointment: Instill 1/2" into the conjunctival sac every 3-4 hours for 7-10 days for acute infections

Superficial dermal infection: Topical: Apply 1-3 times/day to infected area; may cover with sterile bandage if necessary.

DOSING: PEDIATRIC — Refer to adult dosing.

(For additional information see "Bacitracin, neomycin, and polymyxin B: Pediatric drug information")

DOSING: ELDERLY — Refer to adult dosing.

DOSAGE FORMS — Excipient information presented when available (limited, particularly for generics); consult specific product labeling.

Ointment, ophthalmic: Bacitracin 400 units, neomycin 3.5 mg, and polymyxin B 10,000 units per g (3.5 g)

Ointment, topical: Bacitracin 400 units, neomycin 3.5 mg, and polymyxin B 5000 units per g (0.9 g, 15 g, 30 g, 454 g)
Neosporin®: Bacitracin 400 units, neomycin 3.5 mg, and polymyxin B 5000 units per g (15 g, 30 g)
Neosporin® Neo To Go®: Bacitracin 400 units, neomycin 3.5 mg, and polymyxin B 5000 units per g (0.9 g)

DOSAGE FORMS: CONCISE
Ointment, ophthalmic: Bacitracin 400 units, neomycin 3.5 mg, and polymyxin B 10,000 units per g (3.5 g)

Ointment, topical: Bacitracin 400 units, neomycin 3.5 mg, and polymyxin B 5000 units per g (0.9 g, 15 g, 30 g, 454 g)
Neosporin® [OTC]: Bacitracin 400 units, neomycin 3.5 mg, and polymyxin B 5000 units per g (15 g, 30 g)
Neosporin® Neo To Go® [OTC]: Bacitracin 400 units, neomycin 3.5 mg, and polymyxin B 5000 units per g (0.9 g)

GENERIC EQUIVALENT AVAILABLE — Yes

USE — Helps prevent infection in minor cuts, scrapes, and burns; short-term treatment of superficial external ocular infections caused by susceptible organisms

ADVERSE REACTIONS SIGNIFICANT — Frequency not defined.

Dermatologic: Reddening, allergic contact dermatitis

Local: Itching, failure to heal, swelling, irritation

Ophthalmic: Conjunctival edema

Miscellaneous: Anaphylaxis

CONTRAINDICATIONS — Hypersensitivity to neomycin, polymyxin B, zinc bacitracin, or any component of the formulation; epithelial herpes simplex keratitis; mycobacterial or fungal infections; topical ointments for external use only

WARNINGS / PRECAUTIONS
Dosage form specific issues: Ophthalmic ointment: Bacterial keratitis has been reported with the use of topical ophthalmic products in multiple-dose containers. Care should be taken to not contaminate the container. Topical ointment: When used for self-medication (OTC use), patients should notify healthcare provider if needed for >1 week. Should not be used for self-medication on deep or puncture wounds, animal bites, or serious burns. Not for application to large areas of the body.

DRUG INTERACTIONS
Amphotericin B: May enhance the nephrotoxic effect of Aminoglycosides. Risk C: Monitor therapy

Bisphosphonate Derivatives: Aminoglycosides may enhance the hypocalcemic effect of Bisphosphonate Derivatives. Risk C: Monitor therapy

Capreomycin: May enhance the neuromuscular-blocking effect of Polymyxin B. Risk C: Monitor therapy

Capreomycin: May enhance the neuromuscular-blocking effect of Aminoglycosides. Risk C: Monitor therapy

CARBOplatin: Aminoglycosides may enhance the ototoxic effect of CARBOplatin. Especially with higher doses of carboplatin. Risk C: Monitor therapy

Cardiac Glycosides: Aminoglycosides may decrease the absorption of Cardiac Glycosides. Risk C: Monitor therapy

CISplatin: May enhance the nephrotoxic effect of Aminoglycosides. Risk C: Monitor therapy

Colistimethate: Aminoglycosides may enhance the nephrotoxic effect of Colistimethate. Aminoglycosides may enhance the neuromuscular-blocking effect of Colistimethate. Risk D: Consider therapy modification

Colistimethate: Polymyxin B may enhance the neuromuscular-blocking effect of Colistimethate. Risk C: Monitor therapy

CycloSPORINE: Aminoglycosides may enhance the nephrotoxic effect of CycloSPORINE. Risk C: Monitor therapy

Gallium Nitrate: Aminoglycosides may enhance the nephrotoxic effect of Gallium Nitrate. Risk X: Avoid combination

Loop Diuretics: May enhance the adverse/toxic effect of Aminoglycosides. Specifically, nephrotoxicity and ototoxicity. Risk C: Monitor therapy

Neuromuscular-Blocking Agents: Polymyxin B may enhance the neuromuscular-blocking effect of Neuromuscular-Blocking Agents. Risk D: Consider therapy modification

Neuromuscular-Blocking Agents: Aminoglycosides may enhance the respiratory depressant effect of Neuromuscular-Blocking Agents. Risk C: Monitor therapy

Nonsteroidal Anti-Inflammatory Agents: May decrease the excretion of Aminoglycosides. Data only in premature infants. Risk C: Monitor therapy

OnabotulinumtoxinA: Aminoglycosides may enhance the neuromuscular-blocking effect of OnabotulinumtoxinA. Risk C: Monitor therapy

Penicillins: May decrease the serum concentration of Aminoglycosides. Primarily associated with extended spectrum penicillins, and patients with renal dysfunction. Exceptions: Amoxicillin; Ampicillin; Cloxacillin; Dicloxacillin; Methicillin; Nafcillin; Oxacillin; Penicillin G (Parenteral/Aqueous); Penicillin G Benzathine; Penicillin G Procaine; Penicillin V Potassium. Risk D: Consider therapy modification

RimabotulinumtoxinB: Aminoglycosides may enhance the neuromuscular-blocking effect of RimabotulinumtoxinB. Risk C: Monitor therapy

Vancomycin: May enhance the nephrotoxic effect of Aminoglycosides. Risk C: Monitor therapy

PREGNANCY RISK FACTOR — C (show table)

PREGNANCY IMPLICATIONS — Reproduction studies have not been conducted with this combination; therefore, Bacitracin, Neomycin, and Polymyxin B is classified as pregnancy category C. See individual agents.

LACTATION — Excretion in breast milk unknown/use caution

BREAST-FEEDING CONSIDERATIONS — It is not known if bacitracin, neomycin, or polymyxin B is excreted into breast milk. The manufacturer recommends that caution be exercised when administering Bacitracin, Neomycin, and Polymyxin B to nursing women. See individual agents.

PRICING — (data from drugstore.com)
Ointment (Neomycin-Bacitracin Zn-Polymyx)
5-400-10000 (3.5): $7.99

INTERNATIONAL BRAND NAMES — Bamyxin (IL); Dactrol (ID); Multimycin (PE); My-B (TH); Neo-Polybacin (AE, BF, BH, BJ, CI, CY, EG, ET, GH, GM, GN, IL, IQ, IR, JO, KE, KW, LB, LR, LY, MA, ML, MR, MU, MW, NE, NG, OM, QA, SA, SC, SD, SL, SN, SY, TN, TZ, UG, YE, ZA, ZM, ZW); Neosporin Dermico (MX); Neosporin Ophthalmic Ointment (AU, IN); Novosporina (PY); Polixin Ungena (MX); Polysporin (BR); Terramycin Plus (PH); Tribiot (MX); Yentuogin (TW)

MECHANISM OF ACTION — See individual agents.

PHARMACODYNAMICS / KINETICS — See individual agents.

Bacitracin

MEDICATION SAFETY ISSUES
Sound-alike/look-alike issues:
Bacitracin may be confused with Bactrim®, Bactroban®

U.S. BRAND NAMES — Baci-Rx; Baciguent® [OTC]; BaciiM®

PHARMACOLOGIC CATEGORY
Antibiotic, Miscellaneous
Antibiotic, Ophthalmic
Antibiotic, Topical

DOSING: ADULTS — Do not administer I.V.:

Antibiotic-associated colitis: Oral: 25,000 units 4 times/day for 7-10 days

VRE eradication (unlabeled use): Oral: 25,000 units 4 times/day for 7-10 days

Superficial dermal infection: Topical: Apply 1-5 times/day.

Ophthalmic infection: Ophthalmic (ointment): Instill 1/4" to 1/2" ribbon every 3-4 hours into conjunctival sac for acute infections, or 2-3 times/day for mild-to-moderate infections for 7-10 days.

Local irrigation: Solution: 50-100 units/mL in normal saline, lactated Ringer's, or sterile water for irrigation; soak sponges in solution for topical compresses 1-5 times/day or as needed during surgical procedures.

DOSING: PEDIATRIC — Do not administer I.V.

(For additional information see "Bacitracin: Pediatric drug information")

Treatment of infection:
Infants: I.M.:
≤ 2.5 kg: 900 units/kg/day in 2-3 divided doses
>2.5 kg: 1000 units/kg/day in 2-3 divided doses
Children: I.M.: 800-1200 units/kg/day divided every 8 hours

Superficial dermal infection: Topical: Refer to adult dosing.

Ophthalmic infection: Ophthalmic (ointment): Refer to adult dosing.

Local irrigation: Solution: Refer to adult dosing.

DOSING: ELDERLY — Refer to adult dosing.

DOSAGE FORMS — Excipient information presented when available (limited, particularly for generics); consult specific product labeling.

Injection, powder for reconstitution: 50,000 units
BaciiM®: 50,000 units

Ointment, ophthalmic: 500 units/g (3.5 g)

Ointment, topical: 500 units/g (0.9 g, 15 g, 30 g, 120 g, 454 g)
Baciguent®: 500 units/g (15 g, 30 g)

Powder, for prescription compounding [micronized]:
Baci-Rx: 5 million units

DOSAGE FORMS: CONCISE
Injection, powder for reconstitution: 50,000 units
BaciiM®: 50,000 units

Ointment, ophthalmic: 500 units/g (3.5 g)

Ointment, topical: 500 units/g (0.9 g, 15 g, 30 g, 120 g, 454 g)
Baciguent® [OTC]: 500 units/g (15 g, 30 g)

Powder, for prescription compounding [micronized]:
Baci-Rx: 5 million units

GENERIC EQUIVALENT AVAILABLE — Yes

ADMINISTRATION — For I.M. administration only, do not administer I.V. Confirm any orders for parenteral use. pH of urine should be kept >6 by using sodium bicarbonate. Bacitracin sterile powder should be dissolved in 0.9% sodium chloride injection containing 2% procaine hydrochloride. Do not use diluents containing parabens.

USE — Treatment of susceptible bacterial infections mainly; has activity against gram-positive bacilli; due to toxicity risks, systemic and irrigant uses of bacitracin should be limited to situations where less toxic alternatives would not be effective

USE - UNLABELED / INVESTIGATIONAL — Oral administration: Successful in antibiotic-associated colitis; has been used for enteric eradication of vancomycin-resistant enterococci (VRE)

ADVERSE REACTIONS SIGNIFICANT
1% to 10%:
Cardiovascular: Hypotension, edema of the face/lips, chest tightness
Central nervous system: Pain
Dermatologic: Rash, itching
Gastrointestinal: Anorexia, nausea, vomiting, diarrhea, rectal itching
Hematologic: Blood dyscrasias
Miscellaneous: Diaphoresis

<1%: Rare cases of anaphylaxis have been reported in association with topical and intraoperative exposures.

CONTRAINDICATIONS — Hypersensitivity to bacitracin or any component of the formulation; I.M. use is contraindicated in patients with renal impairment

WARNINGS / PRECAUTIONS
Boxed warnings: Renal failure: See "Concerns related to adverse effects" below.

Concerns related to adverse effects: Renal failure: [U.S. Boxed Warning]: I.M. use may cause renal failure due to tubular and glomerular necrosis; monitor renal function daily. Avoid concurrent use with other nephrotoxic drugs; discontinue use if toxicity occurs. Superinfection: Prolonged use may result in fungal or bacterial superinfection, including C. difficile-associated diarrhea (CDAD) and pseudomembranous colitis; CDAD has been observed >2 months postantibiotic treatment..

Other warnings/precautions: Appropriate administration: Do not administer intravenously because severe thrombophlebitis occurs.

DRUG INTERACTIONS — There are no known significant interactions.

PREGNANCY IMPLICATIONS — It is unknown if bacitracin crosses the placenta. The minimal absorption after topical use should limit the amount of medication available for transfer to the fetus.

LACTATION — Excretion in breast milk unknown/use caution

BREAST-FEEDING CONSIDERATIONS — It is unknown if bacitracin is distributed in human milk. The minimal absorption after topical use should limit the amount of medication available for transfer.

PRICING — (data from drugstore.com)
Ointment (Bacitracin)
500 units/g (3.5): $15.99
500 units/g (28.4): $12.99

MONITORING PARAMETERS — I.M.: Urinalysis, renal function tests

CANADIAN BRAND NAMES — Baciguent®; Baciject®

INTERNATIONAL BRAND NAMES — Glubacida (MX); Nebacetina (MX); Neosporin Dermico (MX); Polixin Ungena (MX); Tribiot (MX)

MECHANISM OF ACTION — Inhibits bacterial cell wall synthesis by preventing transfer of mucopeptides into the growing cell wall

PHARMACODYNAMICS / KINETICS
Duration: 6-8 hours

Absorption: Poor from mucous membranes and intact or denuded skin; rapidly following I.M. administration; not absorbed by bladder irrigation, but absorption can occur from peritoneal or mediastinal lavage

Distribution: CSF: Nil even with inflammation

Protein binding, plasma: Minimal

Time to peak, serum: I.M.: 1-2 hours

Excretion: Urine (10% to 40%) within 24 hours

PATIENT INFORMATION

(For additional information see "Bacitracin: Patient drug information")
Ophthalmic: Tilt head back, place medication in conjunctival sac and close eyes; apply light finger pressure on lacrimal sac for 1 minute following instillation. Ophthalmic ointment may cause blurred vision; do not share eye medications with others.

Topical: Do not be use for longer than 1 week unless directed by prescriber.

Bacitracin

MEDICATION SAFETY ISSUES
Sound-alike/look-alike issues:
Bacitracin may be confused with Bactrim®, Bactroban®

U.S. BRAND NAMES — Baci-Rx; Baciguent® [OTC]; BaciiM®

PHARMACOLOGIC CATEGORY
Antibiotic, Miscellaneous
Antibiotic, Ophthalmic
Antibiotic, Topical

DOSING: ADULTS — Do not administer I.V.:

Antibiotic-associated colitis: Oral: 25,000 units 4 times/day for 7-10 days

VRE eradication (unlabeled use): Oral: 25,000 units 4 times/day for 7-10 days

Superficial dermal infection: Topical: Apply 1-5 times/day.

Ophthalmic infection: Ophthalmic (ointment): Instill 1/4" to 1/2" ribbon every 3-4 hours into conjunctival sac for acute infections, or 2-3 times/day for mild-to-moderate infections for 7-10 days.

Local irrigation: Solution: 50-100 units/mL in normal saline, lactated Ringer's, or sterile water for irrigation; soak sponges in solution for topical compresses 1-5 times/day or as needed during surgical procedures.

DOSING: PEDIATRIC — Do not administer I.V.

(For additional information see "Bacitracin: Pediatric drug information")

Treatment of infection:
Infants: I.M.:
≤ 2.5 kg: 900 units/kg/day in 2-3 divided doses
>2.5 kg: 1000 units/kg/day in 2-3 divided doses
Children: I.M.: 800-1200 units/kg/day divided every 8 hours

Superficial dermal infection: Topical: Refer to adult dosing.

Ophthalmic infection: Ophthalmic (ointment): Refer to adult dosing.

Local irrigation: Solution: Refer to adult dosing.

DOSING: ELDERLY — Refer to adult dosing.

DOSAGE FORMS — Excipient information presented when available (limited, particularly for generics); consult specific product labeling.

Injection, powder for reconstitution: 50,000 units
BaciiM®: 50,000 units

Ointment, ophthalmic: 500 units/g (3.5 g)

Ointment, topical: 500 units/g (0.9 g, 15 g, 30 g, 120 g, 454 g)
Baciguent®: 500 units/g (15 g, 30 g)

Powder, for prescription compounding [micronized]:
Baci-Rx: 5 million units

DOSAGE FORMS: CONCISE
Injection, powder for reconstitution: 50,000 units
BaciiM®: 50,000 units

Ointment, ophthalmic: 500 units/g (3.5 g)

Ointment, topical: 500 units/g (0.9 g, 15 g, 30 g, 120 g, 454 g)
Baciguent® [OTC]: 500 units/g (15 g, 30 g)

Powder, for prescription compounding [micronized]:
Baci-Rx: 5 million units

GENERIC EQUIVALENT AVAILABLE — Yes

ADMINISTRATION — For I.M. administration only, do not administer I.V. Confirm any orders for parenteral use. pH of urine should be kept >6 by using sodium bicarbonate. Bacitracin sterile powder should be dissolved in 0.9% sodium chloride injection containing 2% procaine hydrochloride. Do not use diluents containing parabens.

USE — Treatment of susceptible bacterial infections mainly; has activity against gram-positive bacilli; due to toxicity risks, systemic and irrigant uses of bacitracin should be limited to situations where less toxic alternatives would not be effective

USE - UNLABELED / INVESTIGATIONAL — Oral administration: Successful in antibiotic-associated colitis; has been used for enteric eradication of vancomycin-resistant enterococci (VRE)

ADVERSE REACTIONS SIGNIFICANT
1% to 10%:
Cardiovascular: Hypotension, edema of the face/lips, chest tightness
Central nervous system: Pain
Dermatologic: Rash, itching
Gastrointestinal: Anorexia, nausea, vomiting, diarrhea, rectal itching
Hematologic: Blood dyscrasias
Miscellaneous: Diaphoresis

<1%: Rare cases of anaphylaxis have been reported in association with topical and intraoperative exposures.

CONTRAINDICATIONS — Hypersensitivity to bacitracin or any component of the formulation; I.M. use is contraindicated in patients with renal impairment

WARNINGS / PRECAUTIONS
Boxed warnings: Renal failure: See "Concerns related to adverse effects" below.

Concerns related to adverse effects: Renal failure: [U.S. Boxed Warning]: I.M. use may cause renal failure due to tubular and glomerular necrosis; monitor renal function daily. Avoid concurrent use with other nephrotoxic drugs; discontinue use if toxicity occurs. Superinfection: Prolonged use may result in fungal or bacterial superinfection, including C. difficile-associated diarrhea (CDAD) and pseudomembranous colitis; CDAD has been observed >2 months postantibiotic treatment..

Other warnings/precautions: Appropriate administration: Do not administer intravenously because severe thrombophlebitis occurs.

DRUG INTERACTIONS — There are no known significant interactions.

PREGNANCY IMPLICATIONS — It is unknown if bacitracin crosses the placenta. The minimal absorption after topical use should limit the amount of medication available for transfer to the fetus.

LACTATION — Excretion in breast milk unknown/use caution

BREAST-FEEDING CONSIDERATIONS — It is unknown if bacitracin is distributed in human milk. The minimal absorption after topical use should limit the amount of medication available for transfer.

PRICING — (data from drugstore.com)
Ointment (Bacitracin)
500 units/g (3.5): $15.99
500 units/g (28.4): $12.99

MONITORING PARAMETERS — I.M.: Urinalysis, renal function tests

CANADIAN BRAND NAMES — Baciguent®; Baciject®

INTERNATIONAL BRAND NAMES — Glubacida (MX); Nebacetina (MX); Neosporin Dermico (MX); Polixin Ungena (MX); Tribiot (MX)

MECHANISM OF ACTION — Inhibits bacterial cell wall synthesis by preventing transfer of mucopeptides into the growing cell wall

PHARMACODYNAMICS / KINETICS
Duration: 6-8 hours

Absorption: Poor from mucous membranes and intact or denuded skin; rapidly following I.M. administration; not absorbed by bladder irrigation, but absorption can occur from peritoneal or mediastinal lavage

Distribution: CSF: Nil even with inflammation

Protein binding, plasma: Minimal

Time to peak, serum: I.M.: 1-2 hours

Excretion: Urine (10% to 40%) within 24 hours

PATIENT INFORMATION

(For additional information see "Bacitracin: Patient drug information")
Ophthalmic: Tilt head back, place medication in conjunctival sac and close eyes; apply light finger pressure on lacrimal sac for 1 minute following instillation. Ophthalmic ointment may cause blurred vision; do not share eye medications with others.

Topical: Do not be use for longer than 1 week unless directed by prescriber.