Tylenol (acetaminophen) is used to treat pain. Learn side effects, dosage, drug interactions, warnings, patient labeling, reviews, and more. Description Acetaminophen is used to treat minor aches and pain and to reduce fever. It may also help treat pain from mild forms of arthritis. This medicine is available without a prescription. When it comes to studying Tylenol and autism, one confounding factor is that women may take the painkiller during pregnancy to address another health condition that may be linked to autism, such as infection or fever. Tylenol is a pain reliever and a fever reducer. Tylenol is used to reduce fever and relieve minor pain caused by conditions such as colds or flu, headache, muscle aches, arthritis, menstrual cramps and fevers. Tylenol is a brand of medication, advertised for reducing pain, reducing fever, and relieving the symptoms of allergies, cold, cough, headache, and influenza. The drug is safe and effective when used as directed, but there is something surprising about it: no one is certain how acetaminophen works to relieve pain and fever. Learn how various Tylenol options compare by formulation and dosage to safely address symptoms like fevers or cramps. Discover all you need to know about Acetaminophen, the active ingredient in TYLENOL®. Learn about different uses, how it works, different forms, precautions, and more. Acetaminophen is a common, effective option for mild-to-moderate pain and fever but doesn’t treat inflammation. It works by affecting the brain’s pain and temperature regulation, though its exact mechanism is still not fully understood. What do Tylenol products treat? Tylenol products are medicines you can buy without a prescription (over-the-counter or OTC) to treat pain (including arthritis pain), headache, and fever.