• Aleve helps you make more from each day, uninterrupted by minor aches and pains such as headaches, backache or minor arthritis pain. Get your questions answered about pain relief, Aleve products, and how to manage your pain to stay all day strong. AflaxenAleveAleve ArthritisAll Day ReliefAnaproxAnaprox Sodium Oral Tab: 220mg, 250mg, 275mg, 375mg, 500mg, 550mg Naproxen (Aleve) medication works by blocking the production of prostaglandins, substances in the body that play a role in pain and inflammation. Naproxen is used to treat pain or inflammation caused by arthritis, ankylosing spondylitis, tendinitis and gout. Includes naproxen side effects, interactions and. The active ingredient in Aleve is naproxen and the other ingredient is sodium. For every 200mg of naproxen, Aleve contains 20mg sodium. Naproxen: learn about side effects, dosage, special precautions, and more on MedlinePlus Aleve (naproxen) is a nonsteroidal antiinflammatory drug (NSAID). Naproxen works by reducing hormones that cause inflammation and pain in the body. Find here one of the most complete NSAIDs list, and how to treat pain and inflammation using Non Steroidal Anti Inflammatory Drugs. Explains the medication naproxen (Aleve, Naprosyn, Anaprox, Naprelan) a drug used for the management of mild to moderate pain, fever, and inflammation. Naproxen is used as a treatment to relieve pain from various conditions such as headaches, muscle aches, tendonitis, dental pain, and menstrual cramps. Aleve, aka naproxen, is an NSAID that many people with back pain take to get relief. Find out how often you can take it..