All of the following are enzyme inducers of cytochrome p450 EXCEPT: (A) Phenytoin, (B) Rifampicin, (C) Isoniaz id, (D) Erythromycin
Answer is D. (D) Erythromycin # Enzyme inducers: Phenytoin, phenobarbitone, primidone, carbamazepine, rifampin. Erythromycin is a CYP3A2 inhibitor.Mnemonic: GPRS Cell Phone - Griseofulvin, Phenytoin, Pifampcin, Smoking, Carbamazepine, Phenobarbitone