Aleve Reliever & Fever Reducer Caplets are made to help you manage pain all day with just one relief pill. Each 220 mg caplet has the strength to provide uninterrupted relief for up to 12 hours. Aleve temporarily relieves minor aches and pains due to minor arthritis, muscular aches, backache, menstrual cramps, headache, toothache, and the common cold. This pain medication also temporarily reduces in adults and children 12 and up. Pain happens. Aleve it. Use as directed for minor aches and pains.