In medicine :
Chilli is widely used in traditional medicine. hot peppers cause strong salivation, aid digestion and are laxative. Capsaicin, the active ingredient, stimulates the mucous membranes of the mouth, stomach and intestines (peristaltic movements). Facilitating sweat, chilli helps to refresh the skin in hot countries.
All peppers contain phytochemicals known collectively as capsaicinoids. Modern medicine uses capsaicin to treat pain, respiratory disorders, shingles, toothaches and arthritis