Learn about the potential side effects of Tylenol (acetaminophen). Includes common and rare side effects information for consumers and healthcare professionals. Tylenol Extra Strength temporarily reduce fevers and relieves minor pain, due to headache, backache, toothache, minor pain of arthritis, the common cold, and premenstrual and menstrual cramps. Abstract. Statement of Problem. Literature Review. Communication Theories. Methods. Analysis Denny's Challenger Jack in the Box 1 Answer - Posted in: tylenol, tylenol extra strength, muscle pain - Answer: Yes it's a safe dose. You can actually take up to 4000mg of. TYLENOL® celebrates caregivers who ask for nothing in return but their loved one’s health. TYLENOL ® Extra Strength Caplets; Active ingredient: acetaminophen. 500 mg (per tablet) 2 caplets every 6 hours while symptoms last. Not to exceed 6 caplets in 24 hours, Tylenol Extra Strength caplets help reduce fever and provide temporary relief of minor aches and pains. From the 1 doctor-recommended brand of pain reliever, each caplet contains 500 mg of acetaminophen for effective, extra strength pain relief. When it comes to reducing fever or relieving pain in children, TYLENOL® has been a reliable, effective medicine recommended by pediatricians for more than 50 years. Tylenol PM Extra Strength, 225 Caplets This Item is Only Available for Purchase at your Local Costco Warehouse Pain Reliever, Nighttime Sleep Aid 500 mg. of Acetaminophen Non-Habit Forming As a result of the crime, makers of Tylenol developed new product protection methods. Photo by Daniel Acker/Bloomberg via Getty Images.