Mafenide

Indications

Mafenide is used for: Burn Treatment

Adult Dose

Topical/Cutaneous Treatment and prophylaxis of infection in second- and third-degree burns Adult: As 8.5% cream: Apply a layer approx 1/16 inch 1-2 times daily. Continue until wound healing progresses or burn site ready for grafting. As 5 % soln: Wet an 8-ply burn dressing w/ soln and cover graft area. Keep dressing wet by using syringe or irrigation tubing (4 hrly or as necessary) or by moistening the dressing (6-8 hrly or as necessary). Continue until autograft vascularisation occurs and wound healing progresses. Wound dressing may be left in place for up to 5 days.

Child Dose

Topical/Cutaneous Child: As 8.5% cream: Apply a layer approx 1/16 inch 1-2 times daily. Continue until wound healing progresses or burn site ready for grafting. >3 mth: As 5 % soln: Wet an 8-ply burn dressing w/ soln and cover graft area.

Renal Dose

Administration

Contra Indications

Hypersensitivity to sulfonamides.

Precautions

Hypersensitivity Use extreme caution in patients with sulfonamide allergy E. coli & Proteus spp. appear to be less sensitive Prolonged use may result in fungal or bacterial superinfection including C. difficile-associated diarrhea and pseudomembranous colitis Pregnancy/women of childbearing potential-not recommended in women of childbearing potential unless burned area >20% BSA or benefits justify possible risks to the fetus G-6-PD deficiency; may result in hemolytic anemia

Pregnancy-Lactation

Pregnancy Category: C Lactation: Not known whether distributed into breast milk, discontinue drug or do not nurse

Interactions

Adverse Effects

Side effects of Mafenide : Frequency Not Defined Application site reactions Edema Facial edema Diarrhea Excoriation Pain Blisters Burning sensation Hypersensitivity Bone marrow suppression Anemia Eosinophilia Porphyria Hyperventilation Hemolytic anemia Allergic reactions Systemic acidosis with tachypnea

Mechanism of Action

Mafenide is a short-acting sulfonamide topical antibacterial agent that has a wide spectrum of activity. It has no definite mechanism of action, however, it appears to interfere w/ bacterial cellular metabolism. It has bacteriostatic action against many gm+ve and gm-ve organisms, including Pseudomonas aeruginosa and some anaerobes.