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Excess insulin may cause hypoglycemia and hypokalemia, particularly after intravenous administration. Hypoglycemia may occur as a result of an excess of insulin relative to food intake, energy expenditure, or both. Mild episodes of hypoglycemia usually can be treated with oral glucose. Adjustments in drug dosage, meal patterns, or exercise may be needed. More severe episodes with coma, seizure, or neurologic impairment may be treated with intramuscular/subcutaneous glucagon or concentrated intravenous glucose. Sustained carbohydrate intake and observation may be necessary because hypoglycemia may recur after apparent clinical recovery. Hypokalemia must be corrected appropriately.

Humulin R (insulin (human recombinant)) U-100 is contraindicated during episodes of hypoglycemia and in patients hypersensitive to Humulin R (insulin (human recombinant)) U-100 or any of its excipients.

Last reviewed on RxList: 5/12/2011
This monograph has been modified to include the generic and brand name in many instances.