{"id":"duac-gel","safety":{"commonSideEffects":[{"rate":null,"effect":"Skin irritation"},{"rate":null,"effect":"Dryness"},{"rate":null,"effect":"Erythema"},{"rate":null,"effect":"Peeling"},{"rate":null,"effect":"Contact dermatitis"}]},"_chembl":null,"_dailymed":null,"mechanism":{"_ai_source":"claude-haiku-4.5","explanation":"Benzoyl peroxide is an antimicrobial and keratolytic agent that penetrates the skin and releases oxygen to kill Propionibacterium acnes bacteria, while also helping to unclog pores. Clindamycin is a lincosamide antibiotic that inhibits bacterial protein synthesis. 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