Tanacetum parthenium Common name: Feverfew
Part used: Flowering tops
Constituents: Volatile oils (alpha-pinene), flavonoid glycosides, tannins, Sesquiterpene lactones: parthenolide and santamarine
Medical actions: Analgesic, Anti-inflammatory, Emmenagogue, digestive bitter, febrifuge
Medical uses: Alleviates pain, headaches and inflammation similar to aspirin, stronger but with slower effect. Decreases inflammation in blood vessels and in arthritic conditions as well as increases menstrual flow and induces menstruation. The bitters stimulate appetite, and improve digestion and kidney function.
Pharmacy: Infusion: 1 tsp/cup of water. Tincture, Capsules: 100mg QD
Contraindications: Pregnancy due to emmenagogue effects
Toxicity: Possible skin allergy if used topically due to the lactones. Some people have developed mouth ulcers or experienced loss of taste from eating the fresh leaves due to allergies to the plant.
Interactions: May interfere with anti-coagulant medications