Reduced insulin requirement w/ oral antidiabetics, GLP-1 receptor agonists, MAOIs, β-blockers, ACE inhibitors, salicylates, anabolic steroids & sulfonamides. Increased insulin requirement w/ OCs, thiazides, glucocorticoids, thyroid hormones, sympathomimetics, growth hormone & danazol. May mask symptoms of hypoglycaemia w/ β-blockers. Increased/decreased insulin requirements w/ octreotide/lanreotide. May intensify or reduce hypoglycaemic effect of insulin w/ alcohol.