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. Learn about the side effects of naproxen, from common to rare, for consumers and healthcare professionals. Naproxen - cas 22204-53-1, synthesis, structure, density, melting point, boiling point 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. 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. Naproxen is a nonsteroidal anti-inflammatory drug used to treat pain or inflammation caused by conditions such as arthritis, ankylosing spondylitis, tendinitis. Naproxen is used as a treatment to relieve pain from various conditions such as headaches, muscle aches, tendonitis, dental pain, and menstrual cramps. It also reduces pain, swelling, and joint stiffness caused by conditions such as arthritis, bursitis, and gout attacks. Naproxen belongs to a class of medications called nonsteroidal anti-inflammatory drugs NSAIDs. NSAIDs are a type of. NHS medicines information on naproxen – what it's used for, side effects, dosage and who can take it. Find patient medical information for Naproxen (Aleve, Naprosyn, others) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings.