SO DYK
MIGRAINE

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