<p>A number of drugs affect glucose metabolism and may require dose adjustment. The following substances may reduce the Insulin as well as Insulin Aspart requirements: Oral anti-diabetic products, angiotensin converting enzyme (ACE) inhibitors, disopyramide, fibrates, fluoxetine, monoamine oxidase inhibitors, propoxyphene, pentoxifylline, salicylates and sulfonamide antibiotics. The following substances may increase the Insulin as well as Insulin Aspart requirements: Thiazides, glucocorticoids, thyroid hormones, beta-sympathomimetics, growth hormone and danazol. Beta-blockers, clonidine, lithium salts, and alcohol may either potentiate or weaken the blood glucose lowering effect of insulin.</p>