Insulin, other oral antidiabetic drugs, ACE inhibitor, allopurinol, anabolic steroid, sex hormones, chloramphenicol, coumarin derivative, MAOIs, miconazole, paracetamol, pentoxifylline (high parenteral dose), phenylbutazone, azopropazone, oxyphenbutazone, probenecid, quinolone, salicylate, sulfipyrazone, sulphonamide, tetracycline, tritoqualine, trofosfamide, acetazolamide, barbiturate, corticosteroid, diazoxide, diuretics, epinephrine (adrenaline), other sympathomimetic drugs, glucagon laxative, nicotinic acid (high dose), estrogen, progesterone, phenothiazine, rifampicin, thyroid hormone, H
2 receptor antagonist, clonidine, reserpine, β receptor antagonist, clonidine, guanethidine, coumarin derivative, alcohol.