Capsicum, also known as red pepper or chili pepper, is an herb. The fruit of the
capsicum plant is used to make medicine. Capsicum is most commonly used for
rheumatoid arthritis (RA), osteoarthritis, and other painful conditions. It is also
used for digestion problems, conditions of the heart and blood vessels, and many
other conditions. A particular form of capsicum causes intense eye pain and other unpleasant effects when it comes in contact with the face. This form is used in
self-defense pepper sprays. The fruit of the capsicum plant contains a chemical called capsaicin. Capsaicin seems to reduce pain sensations when applied to the skin.