Intermediate-acting insulin NPH 1-3h 4-12h 18-24h Long-acting insulin Glargine (Lantus) 2-4h None 24h Sulfonylurea Glimepiride Glipizide (Glucotrol) Glyburide (Glycron, Micronase) – 2-6h 12-24h Evaluation of Hypoglycemia Patients with known diabetes who are not systemically ill and can id...