Supplement stacks / Feverfew + Warfarin
Can You Take Feverfew with Warfarin?
Feverfew and Warfarin: one interaction flagged, scored 3/10 (high risk). The count and score come from an AI-written analysis checked against our interaction rules, which can only make it stricter. Not medical advice.
Safety at a glance
This score comes from an AI-written analysis of the pair. Our interaction rules check it and can only make it stricter, never milder. Informational only: it can't account for your medications, conditions, or genetics.
What the AI-written analysis says
Taking Feverfew with Warfarin may increase the risk of bleeding due to Feverfew's potential anticoagulant effects. Both substances have limited evidence regarding their interactions, but caution is advised when combining them.
Warfarin is a prescription medication. This page describes publicly documented interactions — it can't see your dose, your other prescriptions, or your labs. Discuss any supplement with the prescriber or pharmacist who manages this medication before combining.
Known interactions
Feverfew may enhance the anticoagulant effects of Warfarin, increasing the risk of bleeding. Regular monitoring of INR is essential, and intake of Feverfew should be consistent.
Feverfew
From the AI-written analysis.
Feverfew may have anticoagulant properties, which can pose risks when taken with blood thinners like Warfarin.
Typical dosage: Typically 50-100 mg per day, depending on the formulation.
- Nausea
- Stomach upset
- Allergic reactions (rare)
- Consult a healthcare provider before use, especially if taking anticoagulants like Warfarin.
Warfarin
From the AI-written analysis.
Warfarin has a narrow therapeutic index and requires careful monitoring of INR levels to prevent bleeding complications.
Typical dosage: As prescribed or as directed on the label
- Bleeding
- Bruising
- Gastrointestinal issues
- Regular INR monitoring is essential; avoid sudden changes in diet, especially with vitamin K intake.
Timing
Consult with a healthcare provider for specific timing recommendations, especially regarding the intake of Feverfew and Warfarin.
Watch out for
- Blood thinners and antiplatelet drugs, combined with supplements that also slow clotting, can add up and raise the risk of serious bleeding. Watch for unusual bruising, nosebleeds, bleeding gums, or blood in urine or stool, and check with the prescriber who manages your medication before combining. Stop bleeding-risk supplements about 1-2 weeks before any surgery or dental work, and never stop a prescribed blood thinner on your own.
- Monitor INR levels more frequently when taking Feverfew with Warfarin; keep intake of Feverfew consistent.
Frequently asked questions
Can you take Feverfew and Warfarin together?
Feverfew and Warfarin: one interaction flagged, scored 3/10 (high risk). The count and score come from an AI-written analysis checked against our interaction rules, which can only make it stricter. Not medical advice.
What score does the Feverfew and Warfarin combination get?
The Feverfew and Warfarin combination is scored 3/10 (high risk). The score comes from an AI-written analysis checked against our interaction rules, which can only make it stricter. Not medical advice. Always confirm with a healthcare professional.
When should you take Feverfew and Warfarin?
Consult with a healthcare provider for specific timing recommendations, especially regarding the intake of Feverfew and Warfarin.
What should you watch out for when combining Feverfew and Warfarin?
Blood thinners and antiplatelet drugs, combined with supplements that also slow clotting, can add up and raise the risk of serious bleeding. Watch for unusual bruising, nosebleeds, bleeding gums, or blood in urine or stool, and check with the prescriber who manages your medication before combining. Stop bleeding-risk supplements about 1-2 weeks before any surgery or dental work, and never stop a prescribed blood thinner on your own. Monitor INR levels more frequently when taking Feverfew with Warfarin; keep intake of Feverfew consistent.
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Not medical advice
AI-written analysis generated August 28, 2026, checked by our interaction rules · How our analysis works