Acetaminophen Toxicity: How Genetic Susceptibility Combines with Environmental Factors Do You Reach for Tylenol Often? Whether it's for pain, headaches, or fever Tylenol (acetaminophen) is one of the most commonly used medications. But here's something most people don't realize Acetaminophen, also known as Tylenol, is used to help with pain & to reduce fever. However, taking too much acetaminophen can be harmful to the liver which filters out toxins & Acetaminophen causes neurodevelopmental injury in susceptible babies and children: no valid rationale for controversy Frontiers Liquid Chromatography Tandem Mass Spectrometry Analysis of Acetaminophen Covalent Binding to Glutathione S Transferases