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In pharmacology, naproxen is an "non-steroidal anti-inflammatory agent (NSAID) with analgesic and antipyretic properties. Both the acid and its sodium salt are used in the treatment of rheumatoid arthritis and other rheumatic or musculoskeletal disorders, dysmenorrhea, and acute gout."[1] Available without prescription in some countries,[2] it has a long half-life so is convenient for patients, usually needing only a twice-daily dosage rather than the more frequen tdosing of ibuprofen, aspirin, or the non-anti-inflammatory acetaminophen.

It is of the NSAID chemical subclass of propionic acid derivatives.


  1. Anonymous (2023), Naproxen (English). Medical Subject Headings. U.S. National Library of Medicine.
  2. Tablets containing more than a certain weight of naproxen may still be on prescription

External links

The most up-to-date information about Naproxen and other drugs can be found at the following sites.