Glucovance (Glyburide/Metformin): Type 2 Diabetes Treatment, Dosage and Safety

Glucovance combines glyburide, a sulfonylurea that increases pancreatic insulin release, with metformin, a biguanide that reduces liver glucose production and improves insulin sensitivity. It is prescribed for adults with type 2 diabetes when a clinician determines that combination therapy is appropriate. It is not for type 1 diabetes or diabetic ketoacidosis.

Glucovance price varies by component strength, quantity, pharmacy, insurance coverage, and generic availability. Before you buy Glucovance, confirm the exact glyburide/metformin combination on the prescription; these tablets are not interchangeable with either ingredient alone.

Indications

Glucovance is used with individualized nutrition, physical activity, glucose monitoring, and regular diabetes follow-up. Treatment goals include improving blood glucose while limiting hypoglycemia and other adverse effects. The prescriber may monitor A1C, kidney function, liver function when indicated, vitamin B12 during long-term metformin use, weight, and symptoms of low or high blood sugar.

Dosage

Take Glucovance exactly as prescribed with meals and water. The dose is individualized according to previous diabetes treatment, glucose readings, kidney function, meals, and tolerance. Do not skip meals after taking a glyburide-containing medicine unless the diabetes team has given a specific plan. Never use a second tablet to correct a high glucose reading without instructions.

You can buy Glucovance 1.25 mg/250 mg, buy Glucovance 2.5 mg/500 mg, or buy Glucovance 5 mg/500 mg only when the prescription identifies that exact combination. These are product strengths, not directions to select a dose. A lower Glucovance price for another combination does not make it a safe substitute.

If a dose is missed, take it when remembered with food unless the next dose is near; then skip it. Do not double a dose. Keep tablets dry, stored at room temperature, and out of reach of children and pets.

Safety Information

Glyburide can cause serious low blood sugar. Symptoms may include sweating, shaking, hunger, headache, fast heartbeat, irritability, confusion, blurred vision, weakness, unusual behavior, seizure, or loss of consciousness. Follow your diabetes team’s low-glucose plan and seek emergency help for seizure, unconsciousness, or inability to swallow safely. Alcohol, missed meals, prolonged exercise, and other diabetes medicines can increase this risk.

Metformin has a rare but serious risk of lactic acidosis. Seek urgent medical care for severe weakness, unusual sleepiness, muscle pain, stomach pain, vomiting, trouble breathing, feeling cold, dizziness, slow or irregular heartbeat, or fainting. Tell the prescriber about kidney disease, liver disease, heart failure, dehydration, severe infection, heavy alcohol use, surgery, or planned iodinated contrast imaging; temporary treatment changes may be needed.

Do not use Glucovance if you have diabetic ketoacidosis, severe kidney impairment, a serious allergy to its ingredients, or another contraindication identified by the prescriber. Discuss pregnancy and breastfeeding before use.

Interactions

Provide a complete list of medicines and supplements. Insulin, other sulfonylureas, beta-blockers, ACE inhibitors, salicylates, some antibiotics and antifungals, corticosteroids, diuretics, thyroid medicines, hormones, and alcohol can change glucose control or mask hypoglycemia. Miconazole and certain contrast procedures require particular review. Do not start or stop a medicine without pharmacist or clinician guidance.

FAQ

Can I take Glucovance without food?

Take it with meals as directed. Missing food can increase low-blood-sugar risk from glyburide.

Can I buy Glucovance online?

Buy Glucovance only from a licensed pharmacy with a valid prescription. Confirm the component strength, quantity, directions, and final Glucovance price before dispensing.

What should I do before a scan with contrast?

Tell the imaging team and diabetes prescriber that you take metformin. Follow their instructions about whether it should be held and when it can be restarted.

Disclaimer

This page is general educational information and does not replace diabetes care, medical advice, official labeling, or pharmacist counseling. Glucovance is a prescription medicine and should be used only under qualified medical supervision. Seek urgent care for severe hypoglycemia, symptoms of lactic acidosis, or a serious allergic reaction.

Keep regular appointments and bring glucose records, meal patterns, illness episodes, and the full medicine list to each review. Call the diabetes team during vomiting, diarrhea, dehydration, fever, poor food intake, or a major change in activity, because temporary treatment adjustments may be required. Do not change the dose simply because a pharmacy package costs less. Use a glucose meter and emergency plan exactly as directed, and make sure family members or caregivers know how to recognize severe low blood sugar and obtain help. Follow the prescriber’s instructions on alcohol, sick-day management, laboratory testing, and when to seek urgent care.