Enhanced effects by oral antidiabetics, ACE inhibitors, disopyramide, fibrates, fluoxetine, MAOIs, pentoxifylline, propoxyphene, salicylates, sulfonamide antibiotics. Reduced effects by corticosteroids, danazol, diazoxide, diuretics, glucagon, INH, oestrogens & progestogens, phenothiazine derivatives, somatropin, sympathomimetics, thyroid hormones, atypical antipsychotics, PIs. Potentiated or weakened insulin effects by β-blockers, clonidine, lithium salts or alcohol. Hypoglycaemia followed by hyperglycaemia w/ pentamidine. Reduced or offset signs of adrenergic counterregulation by sympatholytics.