Arnica cream is a topical ointment made of an extract of the arnica plant. Arnica cream has been around since the early 1500s. Europeans used Arnica to help stomach complaints and skin rashes, but it was the Native Americans who began using it to relieve pain associated with the muscles. Today, it is commonly applied to sprains, bruises, and strains. The active ingredients in arnica cream promote tissue healing, reduce swelling and inflammation, and ease the pain. It's also frequently used to soothe joint pain related to arthritis and to relieve tired, sore, overworked muscles.   Active Ingredients The significant...