Acetaminophen 500mg. Extra Strength Pain Relief. 100 Caplets - Compare Acetaminophen 500 mg to Extra Strength Tylenol Caplets. Extra Strength Acetaminophen 500 mg offers temporary relief from minor aches and pains associated with various conditions, including the common cold, headache, backache, minor arthritis pain, toothache, muscle aches, and premenstrual and menstrual cramps. Additionally, it temporarily reduces fever. These easy-to-swallow caplets provide fast-acting headache and fever relief for adults and children aged 12 years and over. Acetaminophen 500mg Extra Strength Pain Relief a pain reliever and fever reducer, comparable to the active ingredient in Extra Strength Tylenol. Ideal for addressing pain and reducing fever.