Learn about the side effects of Tylenol (acetaminophen), from common to rare, for consumers and healthcare professionals. Acetaminophen is the main active ingredient in Tylenol products for pain, arthritis, headache, and fever. When it comes to aches and pains, should you reach for ibuprofen or acetaminophen? A family medicine specialist explains how both work and which one makes the most sense for you. Tylenol (acetaminophen) is used to treat pain. Learn side effects, dosage, drug interactions, warnings, patient labeling, reviews, and more. Tylenol is a brand of medication, advertised for reducing pain, reducing fever, and relieving the symptoms of allergies, cold, cough, headache, and influenza. An active ingredient in these medications is acetaminophen (paracetamol), an analgesic and antipyretic, although other ingredients with significant effects (such as codeine, caffeine or diphenhydramine) are included in some variants. Tylenol (acetaminophen) is an over-the-counter pain reliever and fever reducer used for headache, muscle aches, backache, arthritis, toothache, sore throat, menstrual cramps, colds, and flu. Paracetamol, [a] or acetaminophen, [b] is an analgesic and antipyretic agent used to treat fever and mild to moderate pain. [14][15] It is a widely available over-the-counter drug sold generically or under various brand names, including Tylenol and Panadol. Paracetamol relieves pain in acute mild migraine and episodic tension headaches. [16][17] At a standard dose, paracetamol slightly reduces. Find patient medical information for Acetaminophen (Tylenol) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Get safe TYLENOL® dosing guidance for adults and children. Learn about recommended TYLENOL® dosages, how to read dosing charts, and how to use acetaminophen safely. Discover how TYLENOL® pain relieving products & medicine can help you and your family feel better. Learn about symptoms, treatments, dosages and product info.