The following substances may reduce the patient's insulin requirements: oral hypoglycaemic agents (OHAs), monoamine oxidase inhibitors (MAOIs), nonselective β-adrenergic blocking agents, angiotensin converting enzyme (ACE) inhibitors, salicylates, anabolic steroids (except danazol and oxymetholone), α-adrenergic blocking agents, quinine, quinidine and sulfonamides.
