Therapeutic drug monitoring is not needed for?: (A) Propanolol, (B) Phenytoin, (C) Piroxicam, (D) Prazosin
Answer is A. Beta blockers - used for treating HTN drug response- change in BP can be measured easily - so no need for TDM or therapeutic monitoring Ref; KD Tripathi Pharmacology 7th edition (page no;56 )