There's always a lot of noise online claiming that giving your child Tylenol (acetaminophen) for fever is harmful, disrupts development, or somehow blocks natural healing. As a board certified pediatrician who actually cares Vaccinations Less Effective Following Tylenol Mommyhood101 HHS responds to report about autism and acetaminophen : Shots Health News : NPR Actress and longtime anti vaccine activist Jenny McCarthy took to social media to weigh in on recent debates about acetaminophen (Tylenol), vaccines, and autism, sharing her concerns about glutathione depletion. While some of Evidence that acetaminophen triggers autism in susceptible individuals has been ignored and mishandled for more than a decade.