cancer medications. It also might have some mild activity against bacteria.
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liver. It is not known if boneset contains these chemicals.
Special Precautions & Warnings:Pregnancy and breast-feeding: Because boneset may contain liver-damaging chemicals called pyrrolizidine alkaloids, it is considered POSSIBLY UNSAFE. Don't use it if you are pregnant or breast-feeding.
Allergy to ragweed and related plants: Boneset may cause an allergic reaction in people who are sensitive to plants in the Asteraceae/Compositae family. Members of this family include ragweed, chrysanthemums, marigolds, daisies, and many others. If you have allergies, be sure to check with your healthcare provider before taking boneset.
Liver disease: Boneset contains chemicals called hepatotoxic pyrrolizidine alkaloids (PAs). These chemicals might harm the liver, making existing liver disease worse.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.