Drug, NOT metabolised by liver is :
Ans. is 'a' Penicillin G Penicillin G is metalized mainly in kidneyApproximately 10% of the drug is eliminated by glomerular filtration and 90% by tubular secretionRest of the drugs given in the question erythromycin, cimetidine and phenytoin are metabolized in the liver.
Penicillin G
Phenytoin
Erythromycin
Cimetidine
Pharmacokinetics