Prescription naproxen is used to relieve pain, tenderness, swelling, and stiffness caused by osteoarthritis (arthritis caused by a breakdown of the lining of the joints), rheumatoid arthritis (arthritis caused by swelling of the lining of the joints), juvenile arthritis (a form of joint disease in children), and ankylosing spondylitis (arthritis that mainly affects the spine). Prescription. Naproxen Immediate-Release Tablets Naproxen is a nonsteroidal anti-inflammatory drug (NSAID) that treats mild to moderate pain and inflammation. It may cause sleepiness, skin reactions or other side effects. Naproxen may be unsafe for people with certain medical conditions. Talk to your provider to learn more about whether naproxen is appropriate for you and the safe dosage. Naproxen, sold under the brand name Aleve among others, is a nonsteroidal anti-inflammatory drug (NSAID) used to treat pain, menstrual cramps, and inflammatory diseases such as rheumatoid arthritis, gout and fever. [7] It is taken orally. [7] It is available in immediate and delayed release formulations. [7] Onset of effects is within an hour and lasts for up to twelve hours. [7] Naproxen is. Naproxen Naproxen is a painkiller that helps relieve pain and reduce swelling (inflammation). You can buy some types from pharmacies, but others are only available with a prescription. Learn about side effects, dosage, uses, and more for naproxen, which is a generic prescription oral tablet that treats many conditions, such as arthritis. Naproxen is a nonsteroidal anti-inflammatory drug (NSAID) used to relieve symptoms of arthritis (eg, osteoarthritis, rheumatoid arthritis, or juvenile arthritis) such as inflammation, swelling, stiffness, and joint pain. Naproxen also helps relieve symptoms of ankylosing spondylitis, which is a type of arthritis that affects the joints in the. Detailed Naproxen dosage information for adults and children. Includes dosages for Pain, Osteoarthritis, Rheumatoid Arthritis and more; plus renal, liver and dialysis adjustments. Find patient medical information for Naproxen (Aleve, Naprosyn, others) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Naproxen is a common drug people use to treat pain and swelling. This article provides an overview of naproxen, including how it works, its uses, and more. Naproxen is a nonsteroidal anti-inflammatory drug used to treat pain or inflammation caused by conditions such as arthritis, ankylosing spondylitis, tendinitis.