Arnica

Arnica is used to relieve pain or swelling caused by minor injuries as well as arthritis. The topical form can cause burning and irritation of the skin.

Arnica Overview

Reviewed: July 26, 2014
Updated: 

Arnica is a plant. The flowers of the arnica plant are used in medicine.

Arnica is used most often for pain or swelling caused by minor injuries, insect bites, or arthritis.

Arnica is thought to work in part by reducing the body’s production of substances which cause inflammation. 

Common side effects of arnica include skin reactions.

Arnica Cautionary Labels

precautions

Arnica is used most often for pain or swelling caused by minor injuries, insect bites, or arthritis.

Arnica has not been proven effective for all of the uses listed above. Arnica may be used for other conditions. Ask your doctor or pharmacist for more information.

Side Effects of Arnica

Common side effects of arnica include skin reactions. 

This is not a complete list of arnica side effects. Ask your doctor or pharmacist for more information.

Tell your doctor if you have any side effect that bothers you or that does not go away.

Arnica Interactions

No drug interactions have been determined by the manufacturer. However, you should tell your doctor about all the medicines you take including prescription and non-prescription medicines, vitamins, and herbal supplements. Not all interactions are known or reported and new drug interactions are continually being reported.

Arnica Precautions

Special precautions & warnings:

  • Do not use arnica if you are pregnant or trying to become pregnant, as arnica is thought to have emmenagogue properties (promotes menstruation).
  • For external use only.
  • If swallowed, get medical help or contact a Poison Control Center immediately.
  • Avoid contact with eyes or open wounds.