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

Pharmacy Author:
Medical and Pharmacy Editor:

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.

PREGNANCY: Tanacetum parthenium may possibly cause miscarriage in pregnant women; therefore, it is not recommended for use in women who are pregnant or women who may become pregnant.

NURSING MOTHERS: It is not known whether Tanacetum parthenium enters breast milk; It should be avoided by nursing mothers to prevent harm to the newborn.

SIDE EFFECTS: Common side effects of Tanacetum parthenium are oral ulcers and tongue soreness if dried leaves are chewed. It can cause increased heart rates, dizziness, anxiety, sleeplessness, abdominal pain, bloating, nausea, and diarrhea.

REFERENCES:

MedlinePlus Supplements. Feverfew.

NIH. Feverfew.


Medically Reviewed by a Doctor on 9/19/2014


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