Adrenocorticoids, mineralocorticoids, corticotropin, amphetamines, quinidine, androgens, anabolic steroids, antimuscarinics, ciprofloxacin, K-depleting diuretics (eg, bumetanide, thiazide, ethacrynic acid, furosemide, indapamide), mecamylamine, methenamine, mexiletine, K supplements, salicylates.