title: Cimetidine and tetracycline in acne.
mesh_terms: D000152:Acne Vulgaris / Q000188:drug therapy*; D002927:Cimetidine / Q000627:therapeutic use*; D004347:Drug Interactions; D006146:Guanidines / Q000627:therapeutic use*; D006801:Humans; D013752:Tetracycline / Q000627:therapeutic use*
chemical_list: D006146:Guanidines; D002927:Cimetidine; D013752:Tetracycline