Out-of-network benefits â benefits provided under a health care benefits plan for services or supplies provided by doctors and other health care professionals who are not parties to a contract with a UnitedHealth Group affiliate.
Over-the-counter. Naproxen is used to temporarily reduce fever, as well as treat minor aches and pains due to: 1  minor pain of arthritis. 2  menstrual cramps. 3  the common cold. 4  muscular aches. 5  headache. 6  backache. 7  toothache.
Naproxen is also commonly used to treat pain caused by a variety of other sources, including menstrual cramps, kidney stones, toothaches, muscle aches and headaches. While the over-the-counter versions of naproxen treat mild to moderate pain, prescription-strength naproxen is used for the most serious pain.