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butterbur warning

Butterbur (Petasites) for Migraine Headaches – Risks & Benefit Update

If you’re a Healthcare Professional recommending Butterbur (Petasites) to your patients, it’s important that you stay up-to-date on the latest information (see links at the end of this post). As a chemist, medical researcher, and drug developer, four of the multitudinous questions you ask yourself when trying to decide if you should invest time and money into developing, using or recommending a particular compound are: 1.) How likely is it to be effective for the specific condition it’s being considered to treat? 2.)...
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Butterbur and Migraine Warning From Web MD

PA-free butterbur products are POSSIBLY SAFE when taken by mouth appropriately and short term - up to 16 weeks. Butterbur products that contain pyrrolizidine alkaloids (PAs) are UNSAFE when taken by mouth or applied to broken skin. PAs can damage the liver, lungs, and blood circulation, and possibly cause cancer.
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