Ketoprofen extended-release tablets belong to the non-steroidal anti-inflammatory drugs (NSAIDs), whose efficacy is mainly anti-inflammatory and analgesic. Ketoprofen extended-release tablets belong to a kind of common non-steroidal anti-inflammatory drugs, with good anti-inflammatory and pain-relieving effects, often used in the treatment of rheumatic or rheumatoid arthritis, ankylosing spondylitis, gout, gout and gout caused by menstrual cramps. However, care should be taken when using ketoprofen extended-release tablets, this kind of drug has certain adverse reactions, such as nausea, diarrhea and other gastrointestinal discomforts, which can cause gastrointestinal hemorrhage and ulcers in severe cases; occasionally allergic reactions, tinnitus, dizziness, drowsiness and so on can be seen. It is contraindicated in patients with known hypersensitivity to the product, in patients with asthma, urticaria or allergic reactions induced by taking aspirin or other NSAIDs, in patients with severe heart failure, and in patients with active peptic ulcers/bleeding. CAUTION: Avoid coadministration with other NSAIDs, including selective COX-2 inhibitors. Adverse effects can be minimized by using the lowest effective dose for the shortest therapeutic time as needed to control symptoms. Ketoprofen extended-release tablets must be used as prescribed by a physician.