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 Debate Flares Over an Unproven Link Between Tylenol and Autism The New York Times There is no conclusive evidence that acetaminophen use during pregnancy causes autism in children. Read Acting NYC Health Commissioner Dr. Michelle Morse's statement Sex differences in glutathione metabolism and acetaminophen toxicity Kennedy to link Tylenol use in pregnancy to autism, report says Reuters