Medicinal use of arnica dates to the 1500s, when Native Americans and Europeans applied the herb to sore muscles and skin wounds. Today, many of those uses continue. The flower heads of the arnica plant are used medicinally, typically to make gels, creams and ointments for topical use. Tinctures can also be created to make skin compresses. Arnica should never be used internally because of potential effects on the heart, lungs and uterus, according to the Memorial Sloan-Kettering Cancer Center. Always use arnica gel exactly as directed and only after consulting with a knowledgeable medical professional.
Wounds
Arnica contains compounds such as flavonoid glycosides and sesquiterpene lactones that may be beneficial in treating superficial skin wounds such as cuts and scrapes. These organic chemicals are purported to reduce swelling and redness associated with wounds, according to the American Cancer Society. Do not use arnica without first speaking with a health-care professional so you understand how to use it properly. Arnica is not considered a safe herb by the Food and Drug Administration, although it does appear to be safe when used externally.
Inflammation
Skin inflammation cause by burns, insect bites or injuries such as muscle sprains, strains and broken bones may also be eased by topical use of arnica gel. The plant contains a chemical called helenalin--a sesquiterpene lactone--that has anti-inflammatory properties, according to the Memorial Sloan-Kettering Cancer Center. Despite its use topically to treat skin conditions and injuries, it can cause a contact dermatitis rash in some individuals with skin sensitivities. Before using arnica to ease inflammation, speak with a knowledgeable medical professional so you understand all the risks associated with its use.
Muscle Pain
The muscle pain caused by sprains and strains or simple overuse of the muscles may also be eased by herbal gels containing arnica, according to the University of Maryland Medical Center. The same chemical constituents in the plant that reduce inflammation and redness caused by injuries and muscle trauma may also ease the pain associated with injuries. Always speak with a medical professional before using arnica to ease pain caused by an injury.
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