The pepper has long been used both in cooking and medicine. The most commonly used variety was brought from India to Britain in 1548. It grows as a perennial shrub with red pod-like fruit. This is the Cayenne pepper itself, from which oil and seeds are extracted for use. Capsaicin, the active ingredient of cayenne, may be effective in the treatment of Fibromylagia .
Cayenne also appears to be effective in treating migraines .
It should be applied as an ointment to the inside of the nose. This may, however, cause a burning sensation and severe discomfort. Cream containing cayenne pepper, applied topically, can help relieve joint pain such as that which accompanies arthritis. May cause burning, especially if in contact with the eyes. Rinse immediately with a baking soda paste to neutralize the acidity of the pepper.