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Arnica (Arnica chamissonis, Arnica cordifolia, Arnica fulgens, Arnica latifolia, Arnica montana, Arnica sororia)

Synonyms/Common Names/Related Substances:

  • 6-methoxykaempferol, Aconitum napellus, alisma, American arnica, Arnica augustifolia, Arnica chamissonis, Arnica cordifolia, arnica da serra, arnica flower, Arnica fulgens, Arnica latifolia, Arnica lonchophylla, Arnica montana, arnica root, Arnica sororia, arnica spray, Arnicae flos, arnicaid, arniflora, arnika, Arnikablüten, Asteraceae (family), bergwohlverleih, bétoine des montagnes, betuletol, bilmes herb, Caltha alpina, chamissonolid, common arnica, Compositae (family), donnerblume, engel trank, European arnica, fallherb, fallkraut, flavonoids, fleurs d'arnica, guldblomme, helenalin, herbe aux chutes, hispidulin, jaceosidin, kraftwurz, leopard's bane, lignans, monkshood, mountain arnica, mountain daisy, mountain snuff, mountain tobacco, pectolinarigenin, polmonaria di montagna, prickherb, sesquiterpene lactones, SinEcchTM, smokeherb, sneezewort, snuffplant, souci des alpes, Spanish flower heads, St. John's strength flower, strengthwort, tabac des Vosges, tabaco de montana, thunderwort, waldblume, wellbestow, wolfesgelega, wolf's bane, wolf's eye, wolf's yellow, wolfsbane, wolfsblume, wolfstoterin, woundherb, wundkraut.
  • Combination product examples: Rendimax®, Traumeel S®, Traumeel Sine®.
  • Note: This monograph does not include Heterotheca incloides (Mexican arnica).

Clinical Bottom Line/Effectiveness

Brief Background:

  • Arnica montana is native to the meadows and mountainous regions of Europe and North America. The flowers of the plant are most often used for their medicinal benefit.
  • Arnica montana is commonly used in topically applied herbal ointments and oils as an anti-inflammatory and analgesic agent for aches, bruises, and sprains on unbroken skin. Highly diluted homeopathic preparations are considered safe and are widely used for the treatment of injuries. However, full doses of arnica may be toxic when ingested orally, often leading to severe irritation of mucous membranes and the gastrointestinal tract. Arnica may also be cardiotoxic, resulting in high blood pressure.
  • Many clinical trials have been conducted using inconsistent testing methodologies, which have not found a statistically significant efficacy for herbal or homeopathic forms of arnica over placebo.

Dosing/Toxicology

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Precautions/Contraindications

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Interactions

Most herbs and supplements have not been thoroughly tested for interactions with other herbs, supplements, drugs, or foods. The interactions listed below are based on reports in scientific publications, laboratory experiments, or traditional use. You should always read product labels. If you have a medical condition, or are taking other drugs, herbs, or supplements, you should speak with a qualified healthcare provider before starting a new therapy.

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Mechanism of Action

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History

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Evidence Table

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Evidence Discussion

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Products Studied

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Author Information

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References

Natural Standard developed the above evidence-based information based on a thorough systematic review of the available scientific articles. For comprehensive information about alternative and complementary therapies on the professional level, go to www.naturalstandard.com. Selected references are listed below.

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The information in this monograph is intended for informational purposes only, and is meant to help users better understand health concerns. Information is based on review of scientific research data, historical practice patterns, and clinical experience. This information should not be interpreted as specific medical advice. Users should consult with a qualified healthcare provider for specific questions regarding therapies, diagnosis and/or health conditions, prior to making therapeutic decisions.