Potential Medicinal Uses
Preliminary trials have shown a preparation of Butterbur root to be effective in reducing the frequency and severity of migraine attacks. A commercial extract Petasol butenoate complex (Ze 339) has proved helpful for allergic rhinitis An evidence-based 2005 systematic review including written and statistical analysis of scientific literature, expert opinion, folkloric precedent, history, pharmacology, kinetics/dynamics, interactions, adverse effects, toxicology, and dosing is available from the Natural Standard Research Collaboration.
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Common Butterbur (P. hybridus) leaf.
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Common Butterbur seeding.
Read more about this topic: Common Butterbur
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