Mesalazine extended-release tablets, according to its instructions for use, this product should not be chewed and taken, it can be broken and taken or put into water to form a suspension and then drink. For adults with ulcerative colitis, 1g/day 4 times/day in the acute phase; 1/500mg in the maintenance phase; for adults with Crohn’s disease, 1g/day 4 times/day or as directed by a physician. 1. Mesalazine extended-release tablets are anti-inflammatory and analgesic drugs, suitable for ulcerative colitis (inflammation with ulcers) in the acute phase of treatment and maintenance therapy to prevent recurrence, can also be used for active Crohn’s disease (a chronic inflammatory granulomatous disease, most commonly found in the terminal ileum and the adjacent colon) to improve the symptomatic treatment. 2. Common adverse reactions include headache, nausea, vomiting, abdominal pain, diarrhea and skin rash, etc. Those who are allergic to this product, salicylic acid drugs and their excipients, and those with severe hepatic and/or renal insufficiency, gastric or duodenal ulcers, etc. should be prohibited from taking it. Its use should be carefully read the instructions for use of the drug and under the guidance of a physician to follow the doctor’s instructions.