ANGIOTESIN CONVERTING ENZYME (ACE) INHIBITORS SUCH AS CAPTOPRIL, ENALAPRIL WILL PRODUCE SOME POTASSIUM RETENTION BY INHIBITING ALDOSTERONE PRODUCTION. CONCOMITANT ADMINISTRATION OF POTASSIUM SALTS AND A POTASSIUM-SPARING DIURETIC (SPIRONOLOCTONE, TRIAMTERENE OR AMILORIDE) CAN PRODUCE SEVERE HYPERKALEMIA.