Feverfew (Tanacetum parthenium, Chrysanthemum parthenium, Bachelor's Buttons, Featherfew) (cont.)

Pharmacy Author:
Medical and Pharmacy Editor:

STORAGE: Due to multiple manufacturers making different forms of Tanacetum parthenium, storage requirements may vary based on individual manufacturer practices.

PRESCRIBED FOR: Tanacetum parthenium is used for the prevention of migraine headaches, rheumatoid arthritis symptoms, and skin irritations (itching, psoriasis) and many other ailments.

DOSING: Migraine headache prevention: Take 50 – 100 mg dried leaf extract by mouth once daily; for other preparations, see manufacturer's directions.

Safe and effective use of Tanacetum parthenium is not established for individuals under the age of 18.

DRUG INTERACTIONS: Tanacetum parthenium should be used with caution with warfarin (Coumadin), clopidogrel (Plavix), and aspirin because Tanacetum parthenium can decrease clotting, increasing bleeding risk from these medications.

Tanacetum parthenium may reduce break down or conversion of drugs in the liver. Examples include omeprazole (Prilosec), lansoprazole (Prevacid), amiodarone (Cordarone), lovastatin (Mevacor), ketoconazole (Nizoral), and itraconazole (Sporanox). Check with your doctor before using this herbal product.

Medically Reviewed by a Doctor on 9/19/2014

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