Natural health supplements sometimes have unexpected side effects or interactions with medication that can lead to adverse reactions that are sometimes life threatening. The following is a list of cautions that you should be aware of before using Feverfew (Tanacetum parthenium). These are referred to as drug/herb interactions.
Warning 1 - Anticoagulants: Feverfew may increase bleeding risk when used concurrently with anticoagulants. Use caution when combining with ginkgo, ibuprofen, aspirin, and other NSAIDs.
Warning 2 - Antiplatelet agents: May increase the action of antiplatelet agents.
Used as a natural health remedy 1: Feverfew is used internally as an appetite stimulant and to prevent headaches.
Used as a natural health remedy 2: Feverfew is used externally as an anti-inflammatory.
Side Effects of Feverfew
The known side effects that may occur with Feverfew include:
Other side effects may also occur when using Feverfew. (See form below)
- mouth ulcers from chewing leaves
- oral irritation
- GI disturbances
- increased heart rate
As with any herb, a serious allergic reaction is possible. Seek immediate medical attention if you notice any symptoms of a serious allergic reaction. These may include a rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, or trouble breathing.
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For questions and answers about the side effects of herbs see the Herb Forum
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