Reduced patient's insulin requirements w/ oral antidiabetics, GLP-1 receptor agonists, MAOIs, β-blockers, ACE inhibitors, salicylates, anabolic steroids & sulfonamides. Increased patient's insulin requirements w/ OCs, thiazides, glucocorticoids, thyroid hormones, sympathomimetics, growth hormone & danazol. β-blockers may mask symptoms of hypoglycaemia. Increased/decreased insulin requirements w/ octreotide/lanreotide. Intensified/reduced hypoglycaemic effects of insulin w/ alcohol.