This medication is used to treat minor aches and pains of the muscles/joints (e.g., arthritis, backache, sprains). It may also be used to treat nerve pain. Capsaicin works by decreasing a certain natural substance in your body (substance P) that helps pass pain signals to the brain.
Use this medication on the skin only. Follow all directions on the product...Read more
Full Question:I have had migraines for as long as I can remember. About 4 years ago I started getting muscle spasms only on the left side... Read more »