Arnica montana
A traditional topical herb used externally for bruises, sprains, and muscle soreness. Not safe for internal use except in homeopathic dilutions.
If you take any medications, review these interactions carefully.
Topical use generally does not interact. Internal use (dangerous) may interact with blood thinners.
Full contraindication details are available to signed-in users. Create a free account.
Discontinue topical use near surgical sites.
Topical: skin irritation, contact dermatitis. Internal: TOXIC — vomiting, organ damage, death.
Full dosage ranges, extraction ratios, and step-by-step preparation instructions for Arnica are available to members.
Create a free accountPersonalized Guidance
Our Herbal Support Finder matches you with herbs based on your wellness goals, health profile, and medications.
Sign in and complete your health profile to see safety warnings personalized to your age, sex, medications, conditions, and allergies for this herb.
