miglitol vs warfarin

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Side-by-side comparison of miglitol and warfarin. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.

minor Known Drug Interaction

No effect of miglitol was observed on the pharmacokinetics or pharmacodynamics of either warfarin or nifedipine.

Drug Class
miglitol Alpha-Glucosidase Inhibitor
warfarin Vitamin K Antagonist (Anticoagulant)
Type
miglitol Prescription
warfarin Prescription
Summary
miglitol

Miglitol (Glyset) helps control blood sugar in adults with type 2 diabetes. It should be used with diet and exercise.

warfarin

Warfarin is a medicine that helps prevent blood clots. It is used to treat and prevent dangerous clots from forming in your body.

What It Treats
miglitol

Miglitol treats type 2 diabetes. It helps lower your blood sugar levels after meals. You should use it along with a healthy diet and regular exercise to manage your diabetes.

warfarin

Warfarin is used to prevent and treat blood clots in your veins and lungs. It can also prevent clots if you have atrial fibrillation (irregular heartbeat) or a replacement heart valve. After a heart attack, it can lower the risk of death, another heart attack, or a stroke.

How It Works
miglitol

Miglitol slows down the digestion of carbohydrates. This helps to prevent a large rise in blood sugar after you eat. It works in your gut to block certain enzymes.

warfarin

Warfarin works by blocking your body's use of vitamin K. Vitamin K is needed to make blood clotting factors. By blocking vitamin K, warfarin makes your blood less likely to clot.

Common Side Effects
miglitol
  • Gas
  • Diarrhea
  • Abdominal pain
warfarin
  • Bleeding from any tissue or organ
FAERS Reports
miglitol
  • Hypoglycaemia 67
  • Hepatic Function Abnormal 46
  • Decreased Appetite 39
  • Diarrhoea 37
  • Renal Impairment 37
warfarin
  • International Normalised Ratio Increased 10,276
  • Dyspnoea 8,408
  • Drug Interaction 6,288
  • Fatigue 6,143
  • Nausea 5,921
Serious Warnings
miglitol

No specific warnings noted.

warfarin

Warfarin can cause major or fatal bleeding. You must have your blood tested regularly (INR) while taking warfarin. Many things, like other medicines and diet changes, can affect your INR. Tell your doctor about any bleeding and follow their instructions to prevent bleeding.

Pregnancy
miglitol

There is not enough information about the safety of miglitol during pregnancy or breastfeeding. Talk to your doctor if you are pregnant, plan to become pregnant, or are breastfeeding.

warfarin

Warfarin can harm your unborn baby, especially during the first three months of pregnancy. Do not take warfarin if you are pregnant, unless you have a mechanical heart valve and your doctor says the benefits outweigh the risks. Talk to your doctor if you are breastfeeding, and watch your baby for bruising or bleeding.

Also Compare, Nearby Drugs

Compare miglitol with

How to Read This miglitol vs warfarin Comparison

miglitol is classified in the Alpha-Glucosidase Inhibitor drug class, while warfarin sits within the Vitamin K Antagonist (Anticoagulant) 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, miglitol has 226 submissions while warfarin has 37,036. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known minor interaction flagged in FDA labeling, attributed to miglitol does not change how warfarin is processed by the body or how it works to thin the blood.. 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 miglitol or warfarin.

Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.