Evaluating the Role of Susceptibility Inducing Cofactors and of Acetaminophen in the Etiology of Autism Spectrum Disorder 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 Nini Munoz , PhD. Since the administration claimed Tylenol as a cause of autism, we've seen a number of alternative and 'integrative' practitioners talking Instagram Tylenol Autism Lawsuit [2026 Update] Tylenol Linked To ASD