Naproxen sodium.

Naproxen sodium possesses analgesic, antipyretic, and anti-inflammatory effects. Adverse effects of naproxen sodium include gastrointestinal effects, precipitation of allergic symptoms, and potential for hepatotoxicity. Naproxen sodium is contraindicated in patients with known sensitivity and those with heart failure, hypertension, or other conditions associated with fluid retention. Nonprescription products of naproxen sodium, ibuprofen, ketoprofen, acetaminophen, and salicylates are all similarly effective in treating mild aches and pains and reducing fever.