Aleve Naproxen Sodium Pain Relief Caplets are proven stronger* and longer on pain than Tylenol. Each Naproxen Sodium 220 mg pain medicine Caplet has the strength to last up to 12 hours. Aleve Caplets temporarily relieves minor aches and pains due to: minor pain of arthritis, muscular aches, backache, menstrual cramps, headache, toothache, and the common cold. Aleve pain medication also temporarily reduces fever. This effective pain reliever comes in small, oval caplets that are easy to swallow, available in a safe and convenient childresistant bottle. Pain happens. Aleve it. *Based on clinical data from the first six hours after initial dosing.