Acetaminophen Toxicity in Children: Diagnosis, Clinical Assessment, and Treatment of Acute Overingestion Consultant360 Just say NO to Tylenol 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 TylenolPartner 97 shows in under 5 months yeah my body feels it but we keep going thanks to @tylenol for aches and pains