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 & The FDA is signaling that perhaps immediate treatment with acetaminophen is less clearly needed for a low grade fever, especially in pregnancy, unless theres a stronger indication for it., Safer Frontiers Potential adverse actions of prenatal exposure of acetaminophen to offspring I'm Dr Ashley Mayer . I'm a practicing integrative physician, and also a mama to two great kiddos of my own! If you caught my post on Ibuprofen a few days ago, Tylenol And Alcohol: Dangers, Safe Alternatives & Treatment