Etoricoxib tablets have some adverse effects, but they are not harmful. It is recommended to use the medicine under the guidance of a doctor. Etoricoxib Tablet is a kind of non-steroidal anti-inflammatory drug, which can be used to treat the signs and symptoms of osteoarthritis in both acute and chronic stages, treat acute gouty arthritis and primary dysmenorrhea. Gastrointestinal reactions, such as abdominal distension, constipation, abnormal bowel sounds, and changes in bowel habits, may occur after use of the drug; vascular abnormalities, manifested by diastolic hypertension, flushing, hot flashes, etc.; and tinnitus, itching of the skin, eczema, and skin ulcers, etc., may also occur. Symptoms are usually mild and can be relieved on their own. Contraindications: active gastrointestinal ulcers, bleeding; taking aspirin or other non-steroidal anti-inflammatory drugs induced asthma, urticaria or allergic reactions; confirmed ischemic heart disease and peripheral arterial disease, cerebrovascular disease in the period of patients who have undergone coronary artery bypass grafting or angioplasty. Pregnant and lactating women weigh the pros and cons before use. Pay attention to shorten the duration of the drug as possible, reduce the dose of the drug, avoid combining with other non-steroidal anti-inflammatory drugs, patients with advanced kidney disease is not recommended to use, this product may mask the fever caused by infection, patients who are undergoing anti-infective treatment attention. It is recommended to use the drug under the guidance of a doctor, any discomfort promptly to the hospital.