ramipril vs warfarin
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Side-by-side comparison of ramipril 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
The co-administration of ramipril and warfarin did not adversely affect the anticoagulation effects of the latter drug.
Ramipril is a medicine that lowers blood pressure. It can also help people with heart failure after a heart attack.
Warfarin is a medicine that helps prevent blood clots. It is used to treat and prevent dangerous clots from forming in your body.
Ramipril is used to treat high blood pressure. It can be used alone or with other blood pressure medicines. It is also used in patients who have signs of heart failure after a heart attack. Ramipril can lower the risk of death and hospitalization in these patients.
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.
Ramipril belongs to a class of drugs called ACE inhibitors. It works by blocking a substance in your body that tightens blood vessels. This helps your blood vessels relax and lowers your blood pressure.
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.
- • Headache
- • Dizziness
- • Fatigue
- • Cough
- • Bleeding from any tissue or organ
- Dyspnoea 8,083
- Fatigue 7,877
- Nausea 7,339
- Diarrhoea 6,913
- Dizziness 6,526
- International Normalised Ratio Increased 10,276
- Dyspnoea 8,408
- Drug Interaction 6,288
- Fatigue 6,143
- Nausea 5,921
This drug can cause serious harm or death to an unborn baby. If you are pregnant or plan to become pregnant, tell your doctor right away. Stop taking ramipril as soon as you know you are pregnant.
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.
Do not take ramipril if you are pregnant. It can harm your unborn baby. It is not recommended to use ramipril if you 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 ramipril vs warfarin Comparison
ramipril is classified in the ACE 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, ramipril has 36,738 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 ramipril does not interfere with the blood-thinning effects of this medication.. 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 ramipril or warfarin.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.