Feverfew
Tanacetum parthenium
also known as Featherfew, Bachelor's button
Moderate (migraine prevention)
A daisy-family herb with traditional use and modest evidence for reducing migraine frequency through serotonin and prostaglandin modulation.
- May reduce migraine frequency
- Modulates serotonin and inhibits prostaglandins
- Approved in Canada for migraine prevention
- Used since the first century
- Most effective at standardized parthenolide content
Active in Parthenolide, Sesquiterpene lactones, Flavonoids.
Possible cross-reactivity with Asteraceae allergy
Mouth ulcers possible from chewing fresh leaves
Avoid in pregnancy — uterine stimulant
Use caution with blood thinners
Discontinuation may cause rebound headache
Discontinue 2 weeks before surgery
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