Reduced insulin requirement w/ oral antidiabetics, MAOIs, β-blockers, ACE inhibitors, salicylates, anabolic steroids, sulfonamides. Increased insulin requirement w/ OCs, thiazides, glucocorticoids, thyroid & growth hormones, sympathomimetics, danazol. Masked hypoglycaemia symptoms by β-blockers. Increased or decreased insulin requirement w/ octreotide/lanreotide. Intensified or reduced hypoglycaemic effect by alcohol.