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Side effects can occur even at low doses, with symptoms such as diarrhea, vision problems, kidney problems, muscle twitching, seizures, and death. Allergic reactions have occurred in people who are allergic to other plants and herbs in the Asteraceae/Compositae family. Members of this family include daisies, ragweed, chrysanthemums, marigolds, and many other herbs.
Do not use wormseed if:
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.