Acetaminophen 500 mg Extra Strength Capsule is an oral medication containing 500 mg of acetaminophen per capsule. It is formulated as a pain reliever and fever reducer for the temporary relief of minor aches and pains. It can be used for common discomforts such as headache, muscular aches, backache, toothache, and aches associated with the common cold. It is also intended to temporarily reduce fever. This presentation corresponds to a 1000-capsule package intended for large-volume supply. DailyMed identifies acetaminophen as the active ingredient at 500 mg per capsule.