The composition of Laxirid tablet and syrup is completely different. In tablets, the main ingredient is Senna which is a habit-forming laxative. Senna is a natural laxative made from the leaves and fruit of the Senna plant. Senna contains many chemicals called sennosides. Sennosides acts as a stimulant laxative and works by irritating and stimulating intestinal cells. This produces contractions in intestines, water influx to the intestines and bowel movement.