Side Effects of feverfew: A Synthesis of Findings from 9 Studies
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This analysis is based on research papers included in PubMed, but medical research is constantly evolving and may not fully reflect the latest findings. There may also be biases towards certain research areas.
This information is not medical advice and is not a substitute for diagnosis or treatment by a physician. If you have concerns about "Side Effects of feverfew: A Synthesis of Findings from 9 Studies", please consult your doctor.
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Main Research Findings
Feverfew has shown potential benefits in preventing migraine headaches. found that people taking feverfew experienced significantly fewer and less severe migraine attacks compared to those taking a placebo. Additionally, suggested that feverfew is effective in preventing migraines and that side effects are mild and temporary.
Feverfew may also help alleviate pain associated with diabetic neuropathy. indicated that feverfew was as effective in relieving neuropathic pain as clinically used antihyperalgesic drugs like carbamazepine, lamotrigine, and L-acetyl-L-carnitine.
Feverfew might also contribute to treating Parkinson's disease. 2 demonstrated that parthenolide, a component of feverfew, significantly reduced motor dysfunction and dopaminergic neurodegeneration in mice with Parkinson's disease when combined with L-DOPA.
Reasons for Side Effects
Side effects of feverfew are believed to stem from sesquiterpene lactones such as parthenolide. found that extracts from fresh feverfew leaves, which are rich in parthenolide, strongly inhibited vascular smooth muscle. Conversely, extracts from dried feverfew leaves, lacking parthenolide, caused smooth muscle contraction.
Common Side Effects
Digestive System
reported digestive symptoms (maldigestion, abdominal pain, diarrhea, nausea) as side effects of feverfew.
Skin
1 reported skin symptoms (aphthous ulcers, lip and tongue irritation, swelling) as side effects of feverfew.
Oral
1 reported oral symptoms (gingival bleeding, tongue numbness) as side effects of feverfew.
Other
reported vomiting as a side effect of feverfew.
Countermeasures for Side Effects
Digestive Side Effects
To mitigate digestive side effects, start with a small amount of feverfew and gradually increase the dosage. Taking it with meals might also lessen side effects.
Skin Side Effects
If skin side effects occur, discontinue the use of feverfew and consult a doctor.
Oral Side Effects
If oral side effects occur, discontinue the use of feverfew and consult a dentist.
Comparison of Studies
Commonalities
Multiple studies have indicated that feverfew may be effective in preventing migraine headaches. Furthermore, side effects of feverfew are generally considered mild and temporary.
Differences
There is variability in the results of studies regarding the efficacy and side effects of feverfew. This may be attributed to differences in the quality and manufacturing methods of feverfew, as well as variations in research designs.
Points to Note in Real-Life Applications
While feverfew might be beneficial in preventing migraine headaches, it is not guaranteed to work for everyone. Additionally, there is a possibility of side effects. It is recommended to consult a doctor before taking feverfew.
Current Limitations of Research
Research on feverfew is still inadequate. Particularly, data on long-term safety is lacking. Therefore, caution is advised when using feverfew long-term.
Future Directions for Research
More research is needed to evaluate the long-term safety and efficacy of feverfew. It is also crucial to clarify the components and mechanisms of action of feverfew.
Conclusion
Feverfew is a herb that might be effective in preventing migraine headaches. However, there is a potential for side effects. It is advisable to consult a doctor before taking feverfew. Research on feverfew is still insufficient. More research is necessary in the future.
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