Arnica montana

Botanical Overview

Arnica montana, commonly known as Arnica or Mountain arnica, is a herbaceous plant of the Asteraceae family native to Europe and Central Asia. The medicinally used part is the flower heads, harvested for topical applications. Arnica is widely recognized for its traditional use in treating inflammation and trauma-related conditions.

Energetics

This plant exhibits a warming temperature and drying moisture quality with bitter and pungent tastes. Its actions are generally ascending and outward, with a relaxing tonicity and a primary influence on the blood system.

Primary Actions

  • Anti-inflammatory
  • Analgesic
  • Antimicrobial
  • Circulatory stimulant
  • Topical vulnerary

Indications

Western

  • Bruising
  • Muscle pain
  • Sprains
  • Inflammation
  • Contusions
  • Arthritis pain

Syndromes

  • Traumatic injury
  • Soft tissue inflammation
  • Hematoma

TCM

No traditional use documented.

Ayurveda

No traditional use documented.

Unani

No traditional use documented.

Constituents & Mechanisms

Key phytochemicals include sesquiterpene lactones (notably helenalin), flavonoids, and volatile essential oils contributing to its anti-inflammatory and antimicrobial effects.

Dosage & Preparations

  • Topical tincture 1:5 45% alcohol, applied externally
  • Topical ointment or cream 5-10% arnica extract
  • Homeopathic arnica preparations (varied dilutions)

Safety & Contraindications

Arnica should only be used externally due to toxicity if ingested. It must not be applied to broken skin or large areas. Avoid use in pregnancy and lactation. Potential allergic reactions and interactions with anticoagulant medications have been reported.

Astrological Correspondences

Planetary ruler: Mars; Elemental ruler: Fire.

Selected References

  • European Medicines Agency – Herbal Medicinal Product Committee (HMPC), 2017
  • Plants For A Future (PFAF) Database
  • World Health Organization Monographs, 1999
  • Jenny House, Planetary Herbal, 2000