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Arnica
genus of herbs with about 30 perennial species, belonging to the sunflower family (Asteraceae)
Uses:
- used in liniment & ointment preparations used for strains, sprains, & bruises
Adverse effects:
- contains the toxin helenalin, which can be poisonous if large amounts of the plant are eaten
- gastroenteritis
- GI hemorrhage
- contact with the plant can also cause skin irritation
Mechanism of action:
- contain thymols
General
pharmaceutical herb; medicinal herb; herbal supplement; botanical
References
- Wikipedia: Arnica
http://en.wikipedia.org/wiki/Arnica