Children 10-18 year (unlabeled use): Initial: 1 mg once daily; maintenance: 1-4 mg once daily.
Adults: Initial: 1-2 mg once daily, administered with breakfast or the first main meal; usual maintenance dose: 1-4 mg once daily; after a dose of 2 mg once daily, increase in increments of 2 mg at 1- to 2 week intervals based upon the patient's blood glucose response to a maximum of 8 mg once daily. If inadequate response to maximal dose, combination therapy with metformin may be considered.
Combination with insulin therapy (fasting glucose level for instituting combination therapy is in the range of >150 mg/dL in plasma or serum depending on the patient): Initial recommended dose: 8 mg once daily with the first main meal.
After starting with low-dose insulin, upward adjustments of insulin can be done approximately weekly as guided by frequent measurements of fasting blood glucose. Once stable, combination-therapy patients should monitor their capillary blood glucose on an ongoing basis, preferably daily.
Conversion from therapy with long half-life agents: Observe patient carefully for 1-2 weeks when converting from a longer half-life agent (eg, chlorpropamide) to glimepiride due to overlapping hypoglycemic effects.
Dosing adjustment/comments in renal impairment: Clcr <22 mL/minute: Initial starting dose should be 1 mg and dosage increments should be based on fasting blood glucose levels.
Dosing adjustment in hepatic impairment: No data available.
Elderly: Initial: 1 mg/day; dose titration and maintenance dosing should be conservative to avoid hypoglycemia.
Dietary Considerations Administer with breakfast or the first main meal of the day. Dietary modification based on ADA recommendations is a part of therapy. Decreases blood glucose concentration. Hypoglycemia may occur. Must be able to recognize symptoms of hypoglycemia (palpitations, sweaty palms, lightheadedness).
Monitoring Parameters: Urine for glucose and ketones; monitor for signs and symptoms of hypoglycemia (fatigue, excessive hunger, profuse sweating, numbness of extremities), fasting blood glucose, hemoglobin A1c, fructosamine.
Reference Range Target range: Adults: Fasting blood glucose: <120 mg/dL. Glycosylated hemoglobin: <7%.
Administration: Administer once daily with breakfast or first main meal of the day. Patients who are NPO may need to have their dose held to avoid hypoglycemia.