miglitol vs warfarin
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.
Recommendation: You can safely take these medications together without needing any dose adjustments.
Miglitol (Glyset) helps control blood sugar in adults with type 2 diabetes. It should be used with diet and exercise.
Warfarin is a medicine that helps prevent blood clots. It is used to treat and prevent dangerous clots from forming in your body.
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 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.
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 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.
- • Gas
- • Diarrhea
- • Abdominal pain
- • Bleeding from any tissue or organ
- Low blood sugar 67
- Abnormal liver function 46
- Reduced appetite 39
- Diarrhea 37
- Kidney problems 37
- INR increased 10,275
- Shortness of breath 8,408
- Interaction with another medicine 6,289
- Tiredness 6,141
- Feeling sick to your stomach 5,921
No specific warnings noted.
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.
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 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.
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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 37,034. 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 substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between miglitol and warfarin - always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.