glipizide vs glyburide
PlainMeds reviewed this comparison against our methodology in August 2026. It places FDA and CMS record fields side by side, without recommending either medication.
Side-by-side comparison of glipizide and glyburide. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Glipizide is a medicine that helps lower blood sugar in adults with type 2 diabetes. It works along with diet and exercise.
Glyburide is a medicine that helps lower blood sugar in adults with type 2 diabetes. It works along with diet and exercise.
Glipizide is used to improve blood sugar control in adults who have type 2 diabetes. It is meant to be used in addition to diet and exercise. This medicine helps your body use insulin better and lowers blood sugar levels.
Glyburide is used to help control blood sugar levels in adults who have type 2 diabetes. It is prescribed in addition to diet and exercise. This medicine helps your body use insulin better, which lowers your blood sugar.
Glipizide belongs to a class of drugs called sulfonylureas. It works by helping your pancreas release more insulin. Insulin then helps your body use sugar from the food you eat.
Glyburide belongs to a class of drugs called sulfonylureas. It works by helping your pancreas release more insulin. Insulin then helps move sugar from your blood into your cells for energy.
- • Nausea
- • Diarrhea
- • Skin rash
- • Dizziness
- • Drowsiness
- • Nausea
- • Heartburn
- • Fullness in your upper abdomen
- Blood Glucose Increased 6,677
- Nausea 4,444
- Diarrhoea 3,265
- Fatigue 2,994
- Weight Decreased 2,812
- Blood Glucose Increased 3,038
- Nausea 2,019
- Weight Decreased 1,537
- Diarrhoea 1,282
- Dizziness 1,201
Glipizide can cause low blood sugar (hypoglycemia). Watch for symptoms like shakiness, sweating, confusion, and rapid heartbeat. If you have very low blood sugar, get medical help right away. Certain drugs can increase the risk of low blood sugar. Tell your doctor about all the medicines you take.
Oral diabetes medicines like glyburide may increase your risk of heart problems, compared to treatment with diet alone or diet plus insulin. Talk to your doctor about the risks and benefits of taking glyburide.
Tell your doctor if you are pregnant or plan to become pregnant. It is not known if glipizide will harm your unborn baby. Talk to your doctor about the best way to control your blood sugar during pregnancy. It is not recommended to breastfeed while taking this medication.
Talk to your doctor if you are pregnant or plan to become pregnant. It is not known if glyburide will harm your unborn baby. Talk to your doctor if you are breastfeeding.
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How to Read This glipizide vs glyburide Comparison
glipizide is classified in the Sulfonylurea drug class, while glyburide sits within the Sulfonylurea class. Because both drugs share the same classification, they are often considered interchangeable in theory, but clinical outcomes rarely track that cleanly. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, glipizide has 20,192 submissions while glyburide has 9,077. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for glipizide or glyburide.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.