Rezicin is the brand name, Nimesulide Granules is an anti-inflammatory, antipyretic and analgesic drug. Nimesulide Granules is a non-steroidal anti-inflammatory drug used only when treatment with at least one other non-steroidal anti-inflammatory drug has failed. It can be used for the symptomatic treatment of pain in chronic arthritis (e.g., osteoarthritis, etc.), pain after surgery and acute trauma, and primary dysmenorrhea. Adverse reactions include heartburn sensation, nausea and vomiting, stomach pain, rash, itching, drowsiness, dizziness, peptic ulcers, intestinal bleeding and other symptoms. It is contraindicated in patients who are allergic to the product, those with severe coagulation disorders, patients with severe heart failure, and those with severe impairment of liver and kidney functions; patients with stomach pain and gastric ulcers should be cautious; and allergic individuals should be cautious. Patients should take Nimesulide granules under the guidance of a physician’s interview, and actively consult a doctor if they feel unwell during the period of taking the medicine to avoid adverse results.