Granules Mesacol CR 1 gm is an anti-inflammatory drug, which is used to treat ulcerative colitis and Crohn's disease. Ulcerative colitis is a chronic inflammatory bowel disease that causes inflammation of the lining of the large intestine (colon). It causes ulcers on the lining of the colon, which can lead to bleeding and the discharge of pus and mucus.Disclaimer:For More Information Contact Your Physician