Asteraceae · leaf, herb
Feverfew
Tanacetum parthenium
Mapped to conflicting migraine-prevention literature. Tension-type headache extrapolation is weak.
Safety first
Asteraceae allergy. Fresh leaf can ulcerate the mouth. Not an abortive for migraine. Rebound and withdrawal headache are reported when stopping long use.
Tradition vs trials
Traditional record. European fever-and-headache folk plant later studied for migraine prevention.
Trial literature. Prevention trials conflict. Cochrane-type summaries are mixed. Not a triptan.
Practical ranges
Educational ranges — not a prescription. Culinary use is not an extract.
dried leaf
Trial products often provide tens of milligrams of dried herb to a few hundred milligrams, with parthenolide specified in some
ESCOP / EMA HMPC — Educational range only — not a prescription. A licensed clinician individualizes product, dose, and duration.
Pregnancy, nursing, children
- Pregnancy. Avoid (traditional emmenagogue language plus inadequate data).
- Nursing. Insufficient reliable data; avoid unless a clinician directs otherwise.
- Children. Insufficient reliable data; avoid unless a clinician directs otherwise.
Contraindications
- Asteraceae allergy
- mouth ulcers from fresh leaf
Key interactions
- anticoagulants · caution
Theoretical antiplatelet effect.