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Heterotheca inuloides
False arnica, Árnica mexicana, Árnica del país.
Mainly the flowers, although the leaves and stems are sometimes used.
Products containing Mexican arnica can be ointments and lotions for external or topical application and teas, tablets, or homeopathic tinctures for internal use.
This plant has very similar uses to those of European Arnica (Arnica montana), which is the species more commonly used both in Europe and the United States. Both European and Mexican arnica belong to the daisy or sunflower family, although their active principles are not all the same. Ointments and lotions made from this plant are used to treat bruises, sprains, rheumatism, varicose veins, and diverse skin infections due to bacteria and fungi (molds). The active ingredients in this plant have mild anti-inflammatory, analgesic, and antiseptic actions. In Mexican traditional medicine, arnica teas have been taken internally for the treatment nervous disorders, stomach ailments, and fever. Internal use of this plant is not recommended.
Safety/Precautions:
Before you decide to take any medicinal herb or herbal supplement, be sure to consult with your health care professional first. Avoid self-diagnosis and self-medication: Always be on the safe side!