Diclofenac Sodium Extended-Release Tablets side effects are more common and include symptoms such as headache, dizziness, asthma, breathing difficulties, nausea, vomiting, diarrhea, dyspepsia, abdominal pain, gas and bloating, loss of appetite, elevated aminotransferase levels, and skin rashes. Diclofenac sodium extended-release tablets are mainly used for the relief of rheumatoid arthritis and osteoarthritis, all kinds of soft-tissue rheumatic pain, acute mild or moderate pain. In addition, it is prohibited for patients who are allergic to the components of this drug; prohibited for patients who have allergic reactions caused by the use of aspirin or other non-steroidal anti-inflammatory drugs; prohibited for perioperative pain in coronary artery bypass grafting surgery; prohibited for gastrointestinal bleeding or perforation after the use of non-steroidal anti-inflammatory drugs; and prohibited for patients with active gastrointestinal ulcers and hemorrhage, severe heart failure, and hepatic and renal failure. It should also be noted that avoid combining with other non-steroidal anti-inflammatory drugs, including selective COX-2 inhibitors, children and adolescents should not be taken, there is insufficient data on the use of drugs in pregnant women, women in the last trimester of pregnancy is prohibited. If you need to use diclofenac sodium extended-release tablets, please consult a professional doctor, follow the doctor’s instructions to standardize the treatment, not blindly take the drug.