Arnica montana
Snapshot
Topical-only herb from the sunflower family used to help with bruises, muscle aches, and joint stiffness. Evidence is mixed; avoid ingesting non-homeopathic forms.
What It Is
Arnica montana is a perennial herb in the Asteraceae (sunflower) family. It’s traditionally applied to the skin for temporary relief of bruising, soreness, and minor joint discomfort. The internal use of non-homeopathic arnica is unsafe.
Where It Comes From
Native to mountain meadows across Europe, arnica’s bright yellow, daisy-like flowers are harvested to make tinctures that are formulated into gels, creams, and ointments for external use. Highly diluted homeopathic products also exist but differ from herbal extracts.
Key Nutrients & Compounds
Primary actives are sesquiterpene lactones—especially helenalin and dihydrohelenalin esters—along with thymol derivatives, flavonoids, and phenolic acids that contribute to its characteristic aroma and topical effects.
Health Benefits
Topical arnica is studied for reducing post-procedure bruising and perceived swelling, easing minor muscle soreness after intense exercise, and supporting comfort in osteoarthritis—particularly of the hands. Results vary by preparation and study design.
Recommended Dosage
For external use only. Apply a thin layer of arnica gel or cream to intact skin 2–3 times daily for up to 2–3 weeks, or as directed on the label. Do not ingest herbal arnica extracts. If using homeopathic tablets or pellets, follow product directions.
How To Use It
Gently massage a small amount into the affected area until absorbed. Avoid broken skin, mucous membranes, and occlusive dressings. Wash hands after application and discontinue if irritation develops.
Who Should Use It
Adults seeking short-term, topical support for minor bruises, muscle aches, or joint stiffness, and those looking for a plant-based option to complement standard care after workouts or procedures (with clinician guidance).
Possible Interactions or Cautions
Do not use if allergic to plants in the Asteraceae (ragweed) family. Avoid use on broken skin. Not advised during pregnancy or while nursing unless directed by a healthcare professional. Use caution with blood-thinning medications. For topical use only—do not ingest non-homeopathic arnica.
Final Thoughts
Arnica can be a useful, plant-based addition for temporary, localized relief—provided it’s used topically on intact skin and as labeled. Choose reputable products and pair with rest, icing, and standard care as needed.
Scientific Studies
Widrig R, Suter A, Saller R, Melzer J. Choosing between NSAID and arnica for topical treatment of hand osteoarthritis in a randomized, double-blind study. Rheumatology International. 2007.
http://pubmed.ncbi.nlm.nih.gov/17318618
Seeley BM, Denton AB, Ahn MS, Maas CS. Effect of homeopathic Arnica montana on bruising in face-lifts: results of a randomized, double-blind, placebo-controlled clinical trial. Archives of Facial Plastic Surgery. 2006.
http://pubmed.ncbi.nlm.nih.gov/16415448
Chaiet SR, Marcus BC. Perioperative Arnica montana for reduction of ecchymosis in rhinoplasty surgery. Annals of Plastic Surgery. 2016.
http://pubmed.ncbi.nlm.nih.gov/25954844