<prompt> Drug causing gynecomastia is:SpironolactoneRifampicinPenicillinBumetanide  <response>: Ans. A SpironolactoneRef: KDT 8e p635Important drugs causing gynaecomastia are:D - DigitalisI - IsoniazidS - SpironolactoneC - Cimetidine and KetoconazoleO - Oestrogens and anti-testosterones 