Pharmacology General 05f98109 Which of the following is a pro drug is ? A Levodopa B Poiglitazone C Dexamethasone D Captopril High-Yield Explanation Ans. is 'a' i.e., Levodopa Prodru Few drugs are inactive as such and need conversion in the body to one or more active metabolites. Such a drug is called a prodrug.