What is naproxen used for? Naproxen is commonly used to reduce fever and to treat pain and inflammation caused by several conditions, including arthritis, gout, ankylosing spondylitis, tendinitis, ...

Naproxen is a generic drug that’s prescribed to help treat pain, swelling, and fever. The cost of naproxen with and without insurance can depend on several factors, such as whether the drug has a ...