Evaluating the Role of Susceptibility Inducing Cofactors and of Acetaminophen in the Etiology of Autism Spectrum Disorder Since everyone is talking about Tylenol let's actually talk about Tylenol. No, it doesn't cause autism But here's what it can do: Deplete glutathione: one of your body's most Tylenol (acetaminophen) does not cause autism. The FDA, in its statement that there may be an association, confirmed that "a causal relationship has not been established, and studies of millions of children Tylenol Autism Lawsuit (May 2026 Update) Evidence That Acetaminophen Triggers Autism in Susceptible Individuals Has Been Ignored and Mishandled for More than a Decade[v1] Preprints.org