colestipol vs warfarin
Side-by-side comparison of colestipol 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 depressant effect on blood levels in humans was noted when colestipol hydrochloride was administered with any of the following drugs: aspirin, clindamycin, clofibrate, methyldopa, nicotinic acid (niacin), tolbutamide, phenytoin or warfarin.
Recommendation: You can take these medicines together as directed by your doctor. No special dose changes are typically required.
Colestid
Coumadin, Jantoven
Colestipol is a drug that helps lower cholesterol levels in your blood. It works by binding to bile acids in your intestine, which helps your body get rid of cholesterol.
Warfarin is a medicine that helps prevent blood clots. It is used to treat and prevent dangerous clots from forming in your body.
Colestipol is used along with a healthy diet to lower high cholesterol levels, specifically LDL-C ('bad' cholesterol). It is for people who haven't been able to lower their cholesterol enough with diet alone. Lowering cholesterol can help prevent heart disease and stroke.
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.
Colestipol is a bile acid sequestrant. It binds to bile acids in your intestines. This helps your body get rid of cholesterol, which lowers the amount of cholesterol in your blood.
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.
- • Constipation
- • Abdominal discomfort (pain and cramping)
- • Intestinal gas (bloating and flatulence)
- • Indigestion and heartburn
- • Diarrhea and loose stools
- • Bleeding from any tissue or organ
- Diarrhea 358
- Feeling sick to your stomach 221
- Feeling tired 210
- Headache 136
- Throwing up 125
- 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
None
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.
Tell your doctor if you are pregnant or plan to become pregnant. It is not known if colestipol can harm an unborn baby. Talk to your doctor about the risks and benefits of taking this medicine while pregnant or 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 colestipol vs warfarin Comparison
colestipol is classified in the Bile Acid Sequestrant 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, colestipol has 1,050 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 colestipol does not seem to lower the levels of warfarin in your blood or stop it from being absorbed.. 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 colestipol 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.