Mesalazine, also known as mesalamine or 5-aminosalicylic acid (5-ASA), is an aminosalicylate anti-inflammatory drug used to treat inflammatory bowel disease, including ulcerative colitis, or inflamed anus or rectum, and to maintain remission in Crohn's disease. 1.1 Treatment of Mildly to Moderately Active Ulcerative Colitis. Asacol ® is indicated for the treatment of mildly to moderately active ulcerative colitis in patients 5 years of age and older. Asacol 400mg MR Tablets - Summary of Product Characteristics (SmPC) by Allergan Ltd INDICATIONS Treatment Of Mildly To Moderately Active Ulcerative Colitis. Asacol® (mesalamine) delayed-release tablets are indicated for the treatment of mildly to moderately active ulcerative colitis in patients 5 years of age and older. my daughter take asacol 400 6 pills a day i found expired bottle from last month is it ok for her to have?. Asacol affects a substance in the body that causes inflammation, tissue damage, and diarrhea. Asacol HD delayed-release 800mg tablets are used to treat moderately active ulcerative colitis in adults. Help your patients make the most of their mesalamine treatment with our portfolio of products and patient resources. 1. WHAT ASACOL 800MG MR TABLETS ARE AND WHAT THEY ARE USED FOR. Asacol 800mg MR tablets contain the active substance mesalazine (also known as 5-aminosalicylic acid) which is an anti-inflammatory drug used in the treatment of: Many programs are available from federal and state governments, non-profits, manufacturers, and other organizations to help you get the drugs you need at a reduced cost. How ASACOL HD works. ASACOL HD is a delayed-release tablet; The way ASACOL HD works is not known, but it is thought to deliver medicine to the colon to help treat symptoms of moderately active UC.