Which of the following drugs is an inducer of microsomal enzymes?: (A) Erythromycin, (B) Isoniazid, (C) Ketoconazole, (D) Rifampicin
Answer is D. Enzyme Inducers G Griseofulvin P Phenytoin R Rifampicin S Smoking Cell Carbamazepine Phone Phenobarbitone Rifampicin induces the following cytochrome enzymes: CYP3A4 CYP1A2 CYP2C9 CYP2C19