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Feverfew

Also indexed as:Tanacetum parthenium
Feverfew: Main Image© Steven Foster

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Botanical names:
Tanacetum parthenium

How It Works

Feverfew contains a range of compounds known as sesquiterpene lactones. Over 85% of these are a compound called parthenolide. In test tube studies, parthenolide prevents excessive clumping of platelets and inhibits the release of certain chemicals, including serotonin and some inflammatory mediators.1, 2 Feverfew’s parthenolide content was originally thought to account for the anti-migraine action of this herb, but this has been a matter of recent debate.3

According to three double-blind trials with migraine patients, feverfew reduces the severity, duration, and frequency of migraine headaches.4, 5, 6 These successful studies employed dried, powdered leaves. One negative study used an alcohol extract suggesting the dried leaf preparation is superior.7

How to Use It

Feverfew leaf products with at least 0.2% parthenolide content are generally used. Standardised leaf extracts may contain up to 0.7% parthenolide. Herbal products in capsules or tablets providing at least 250 mcg of parthenolide per day may be taken.8 It may take four to six weeks before benefits are noticed. Feverfew is useful for decreasing the severity and incidence of migraines. However, it is not an effective treatment for an acute migraine attack.

References

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The information presented by TraceGains is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. Self-treatment is not recommended for life-threatening conditions that require medical treatment under a doctor's care. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires December 2024.