Aleve is a nonsteroidal anti-inflammatory drug (NSAID). Naproxen works by reducing hormones that cause inflammation and pain in the body. Aleve is used to temporarily relieve minor aches and pains due to arthritis, muscular aches, backache, menstrual cramps, headache, toothache,and the common cold. Aleve is also used to temporarily reduce fever. The Aleve® Difference is uninterrupted pain relief. Only Aleve® has the strength to offer up to 12 hours of pain relief with just one pill. Try it yourself. Aleve® Tablets temporarily reduce fever and relieve minor aches and pains due to arthritis, backaches, menstrual cramps, headaches, or toothaches. Overview: Naproxen is a nonsteroidal anti-inflammatory drug (NSAID) used to relieve pain, reduce swelling, and lower fever. Common side effects include belly pain, upset stomach, heartburn, or. Learn about naproxen sodium (Aleve) usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Aleve tablets and caplets contain naproxen sodium, a nonsteroidal anti-inflammatory used to temporarily treat minor aches and pains and reduce fever. Aleve is a non-steroidal anti-inflammatory drug (NSAID) that helps manage pain from headaches, arthritis, and other conditions. To safely use Aleve, take one pill every eight to 12 hours and no more than three pills in 24 hours. Ibuprofen is short-acting and is better suited for the treatment of acute pain, whereas Aleve is long-acting and is used for the treatment of chronic conditions. Aleve is more likely than ibuprofen to cause gastrointestinal (GI) side effects because it is longer acting. 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] Shop items from Aleve at Walmart.com and learn more about how you can save money on the best Aleve products to help you live better.