Benzoyl Peroxide
It gradually liberates oxygen (in the presence of water) which kills bacteria, specially anaerobic/microaerophilic ones.Acne vulgaris & acne rosacea.
Apply & leave on skin for 15 mts the first evening. Increase length of exposure by 15 mts each evening until application is tolerated for 2 hrs. May be then left overnight.
Hypersensitivity. Ulceraed lesions on face.
Avoid contact with eye; eye-lids, or mucous membranes, burning and stinging sensation is often felt initially. It can bleach hair & coloured fabric. Paediatrics: Contraindicated. Pregnancy & Lactation: Safe. Elderly: Use with caution.
Excessive dryness of skin, marked scaling, erythema, edema and contact sensitization.
PABA sunscreens may transiently discolour skin.