<prompt> Spironolactone is contraindicated with which of the following drugs?EnalaprilAtenololVerapamilChlorthiazide  <response>: Ans. A EnalaprilRef: KDT 8e p635Spironolactone is a K sparing diuretic. It should be used cautiously if the patient is receiving K salts or drugs increasing serum K levels.ACE inhibitors can also cause hyperkalemia as an adverse effect. If these are combined with K sparing diuretics, cardiac arrhythmia due to high serum K levels may develop. 