Generic: arnica topical
a topical agent - treats Ileus, Coagulation, Osteoarthritis, Diabetic retinopathy, Stroke, Diarrhea in children, Pain, Muscle soreness, Bruising, and Trauma
Interactions with Drugs
Arnica may interact with anesthetic (pain- reducing) drugs, corticosteroids, or anti- inflammatories; reduce the effectiveness of blood pressure- lowering drugs; and/ or enhance bleeding if taken with other anticoagulants (blood thinners). Caution is advised.
Arnica applied to the skin may increase hydroxyethyl salicylate's analgesic (pain- relieving) effect.
Certain constituents found in arnica may lower serum lipids. Caution is advised in those patients taking cholesterol- lowering medications.
Interactions with Herbs and Dietary Supplements
Arnica may interact with herb or supplements with anesthetic (pain- reducing), steroid, or anti- inflammatory effects.
Arnica may increase the risk of bleeding when taken with drugs that increase the risk of bleeding. Multiple cases of bleeding have been reported with the use of Ginkgo biloba, and fewer cases with garlic and saw palmetto.
Arnica use may reduce the effectiveness of blood pressure- lowering herbs and supplements.
Arnica used with daisy (Bellis perennis) may reduce postpartum blood loss. A qualified healthcare practitioner, including a pharmacist, should be consulted before combining herbs and supplements.
This information is based on a professional level monograph edited and peer- reviewed by contributors to the Natural Standard Research Collaboration (www.naturalstandard.com): Ethan Basch, MD (Memorial Sloan- Kettering Cancer Center); Nicole Giese, MS (Natural Standard Research Collaboration); Nicole Giese, MS (Natural Standard Research Collaboration); Mary Giles, PharmD (University of Rhode Island); Michael Goble, BS, PharmD (Massachusetts College of Pharmacy); Nicole M. Maisch, PharmD (St. John's University College of Pharmacy and Allied Health Professions); Erica Seamon, PharmD (Natural Standard Research Collaboration); David Sollars, MAc, HMC (New England School of Acupuncture); Shaina Tanguay- Colucci, BS (Natural Standard Research Collaboration); Verda Tunaligil, MD, MPH (Harvard School of Public Health); Catherine Ulbricht, PharmD (Massachusetts General Hospital); Mamta Vora, PharmD (Natural Standard Research Collaboration); Wendy Weissner, BA (Natural Standard Research Collaboration).