Senna

Senna belongs to a group of medications known as stimulant laxatives, which are primarily used for the short-term treatment of constipation. It works by stimulating the intestines and facilitates bowel movement. Senna is available in the forms of leaves and pods.Seena is the fruit (pod) or leaf of the plant Senna alexandrina. It is approved in the US as a laxative for short-term treatment of constipation.
Senna contains many chemicals called sennosides. Sennosides irritate the lining of the bowel, which causes a laxative effect.
Senna is an FDA-approved over-the-counter (OTC) laxative. It is used to treat constipation and also to clear the bowel before procedures such as colonoscopy.