naproxen /naprok″sən/ , a nonsteroidal antiinflammatory agent. ▪ INDICATIONS: It is prescribed for the relief of fever, migraine headache, inflammatory symptoms of rheumatoid arthritis and osteoarthritis, and mild to moderate pain and for treatment of primary dysmenorrhea, ankylosing spondylitis, tendinitis, bursitis, and acute gout. ▪ CONTRAINDICATIONS: Impaired renal function, GI disease, or known hypersensitivity to this drug, to aspirin, or to nonsteroidal antiinflammatory drugs prohibits its use. ▪ ADVERSE EFFECTS: Among the more serious adverse effects are GI disorders and peptic ulcers. Dizziness, rashes, and tinnitus commonly occur. This drug interacts with many other drugs.