<prompt> Gynaecomastia is a side effect of all, EXCEPT :DigitalisKetoconazoleRifampicinSpironolactone  <response>: Ans. is c Rifampicin Drugs causing GynecomastiaKetoconazoleCalcium channel blockersDigitalisEstrogensEthionamideGriseofuloinINHMethyldopaPhenytoinReserpineSpironolactoneTestosterone 