DefinitionAcetaminophen overdose is one of the most common poisonings worldwide. People often think that acetaminophen, a pain-relieving medicine, is extremely safe. However, it may be deadly if taken in large doses.This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) or the National Poison Control Center at 1-800-222-1222.Alternative NamesTylenol overdose; Paracetamol overdoseWhere FoundAcetaminophen is found in a variety of over-the-counter and prescription pain relievers.Tylenol is a brand name for acetominophen. Other medicines that contain acetominophen include:Anacin-3LiquiprinPanadolPercocetTempraVarious cold and flu medicinesNote: This list is not