GNP Pain Relief PM Extra Strength combines 500mg of acetaminophen, a reliable pain reliever and fever reducer, with 25mg of diphenhydramine HCl, an antihistamine that induces drowsiness to assist with sleep. This over-the-counter medicine provides temporary relief from headaches, muscle aches, minor arthritis pain, and toothaches while helping you fall asleep when pain interferes with rest. Each bottle contains 50 caplets, offering an effective solution for occasional nighttime discomfort and sleep difficulties.