Aleve is one over the counter brand of the drug naproxen sodium 220mg. There are certain types of nonsteroidal anti-inflammatory drugs and naproxen is one of them.
Naproxen is used to relieve pain such as a headache, muscle aches, dental pain; menstrual cramps fever and relieve minor aches and pain due to the common cold or flu.
Naproxen being an important drug works by blocking the production of prostaglandins, substances in the body that play a role in pain and inflammation.
The FDA approved naproxen in December 1991.