Pharmacology Chemotherapy: General Principles 9ccf83bc Drug of choice for antibiotic associated pseudomembranous colitis is: A Oral vancomycin B Metronidazole C Clindamycin D Penicillin G High-Yield Explanation Ans. (A) Oral vancomycin(Ref: CMDT 2019/661)According to new guidelines, oral vancomycin is drug of choice for pseudomembranous colitis