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What Is Glipizide?

Glipizide is a sulfonylurea medicine used to lower blood sugar in adults with type 2 diabetes. It comes as immediate-release and extended-release tablets. The two forms have different directions for when and how to take them.

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What Is Glipizide?

Glipizide is a sulfonylurea medicine used to lower blood sugar in adults with type 2 diabetes. It comes as immediate-release and extended-release tablets. The two forms have different directions for when and how to take them.

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What Is Glipizide Used For?

Glipizide helps improve blood sugar control alongside diet and exercise. It is prescribed for adults with type 2 diabetes whose care plan calls for this medicine. It is not used to treat type 1 diabetes or diabetic ketoacidosis.

How Does Glipizide Work?

Glipizide prompts the pancreas to release insulin. Insulin helps the body use glucose and lowers the amount of sugar in the blood. This effect can continue when blood sugar is already low, so hypoglycemia is a treatment risk.

How Is Glipizide Taken?

Immediate-release glipizide is usually taken about 30 minutes before a meal. Extended-release glipizide is taken with breakfast or the first main meal of the day and is swallowed whole. Check which formulation was prescribed before following dosing instructions.

What Are the Risks of Glipizide?

Glipizide can cause severe low blood sugar, especially when combined with other diabetes medicines. Skipped meals can also increase the risk of a low blood sugar episode. The prescriber uses glucose readings and health history to adjust the dose.

Frequently Asked Questions About Glipizide

Are regular and extended-release glipizide taken at the same time?

No. Immediate-release tablets are generally taken before a meal, while extended-release tablets are taken with breakfast or the first main meal.

Can extended-release glipizide be crushed?

No. Swallow the extended-release tablet whole.

Can glipizide cause low blood sugar?

Yes. Low blood sugar can be severe, so follow your diabetes care plan for monitoring and treatment.

Is glipizide used for type 1 diabetes?

No. It is used for adults with type 2 diabetes.

References

Glipizide. MedlinePlus. https://medlineplus.gov/druginfo/meds/a684060.html. Date Accessed October 6, 2026.

Glipizide (Glucotrol): Uses & Interactions. Cleveland Clinic. https://my.clevelandclinic.org/health/drugs/18006-glipizide-tablets. Date Accessed October 6, 2026.

Glipizide (oral route) - Side effects & dosage. Mayo Clinic. https://www.mayoclinic.org/drugs-supplements/glipizide-oral-route/description/drg-20072046. Date Accessed October 6, 2026.

GLIPIZIDE tablet. DailyMed (National Library of Medicine). https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=d9b6464f-6fe6-446e-8150-d0c15c46fee8. Date Accessed October 6, 2026.

GLIPIZIDE tablet, extended release. DailyMed (National Library of Medicine). https://www.dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=667dd68a-d3e7-4b50-bd0a-d17783a090d5. Date Accessed October 6, 2026.