acarbose 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 acarbose and glyburide. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Acarbose is a medicine that helps lower blood sugar levels in people with type 2 diabetes. It works best when used 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.
Acarbose is used to help control blood sugar in adults with type 2 diabetes. You should use it along with a healthy diet and regular exercise. This medicine helps to keep your blood sugar from getting too high after you eat.
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.
Acarbose slows down the digestion of carbohydrates (sugars and starches) in your body. It does this by blocking certain enzymes in your small intestine that break down carbs. This helps to prevent a sharp rise in blood sugar after meals.
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.
- • Gas
- • Diarrhea
- • Abdominal pain
- • Nausea
- • Heartburn
- • Fullness in your upper abdomen
- Hypoglycaemia 269
- Nausea 203
- Blood Glucose Increased 200
- Dizziness 160
- Diarrhoea 147
- Blood Glucose Increased 3,038
- Nausea 2,019
- Weight Decreased 1,537
- Diarrhoea 1,282
- Dizziness 1,201
You should not take acarbose if you have diabetic ketoacidosis or cirrhosis. Also, do not take it if you have inflammatory bowel disease, colon ulcers, or any bowel obstruction. This medicine can cause liver problems in some people. Tell your doctor right away if you develop symptoms like yellowing of the skin or eyes.
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.
Talk to your doctor if you are pregnant or plan to become pregnant. It is not known if acarbose will harm your unborn baby. Talk to your doctor if you are breastfeeding or plan to breastfeed. It is not known if acarbose passes into breast milk.
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 acarbose vs glyburide Comparison
acarbose is classified in the Alpha-Glucosidase Inhibitor drug class, while glyburide sits within the Sulfonylurea class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. 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, acarbose has 979 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 acarbose or glyburide.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.