Therapeutic monitoring of plasma level of drug is done when using all of the following drugs except
Ans. (A) Warfarin(Ref: KDT 8th/e p42)Therapeutic drug monitoring is not required for oral anticoagulants like warfarin. The effect of warfarin is monitored by measuring prothrombin time or INR (International Normalized Ratio).
Warfarin
Gentamicin
Cyclosporine
Phenytoin
General Pharmacology