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Butterbur
: Good scientific evidence suggests that butterbur may effectively prevent allergic rhinitis (inflammation of the nose) in susceptible individuals. Comparisons of butterbur to prescription drugs such as fexofenadine (Allegra ®) and cetirizine (Zyrtec ®) have reported similar efficacy. Additional study is warranted before a strong recommendation can be made. Avoid if allergic or hypersensitive to Petasites hybridus or other plants from the Asteraceae/Compositae family (like ragweed, marigolds, daisies and chrysanthemums). Raw, unprocessed butterbur plant should not be eaten due to the risk of liver or kidney damage, or cancer. Avoid if pregnant or breastfeeding.
Unclear or conflicting evidence
:Natural Standard Monograph, Copyright © 2008 (www.naturalstandard.com).
Commercial distribution prohibited. This monograph is intended for informational purposes only, and should not be interpreted as specific medical advice. Read more
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