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 Is Tylenol Safe During Pregnancy? Understanding Risk Factors Seeking Health Sex differences in glutathione metabolism and acetaminophen toxicity Exploring the Tylenol Autism Lawsuit Brighter Strides ABA Vaccines do not cause autism. Neither does acetaminophen (Tylenol) use in pregnancy. Decades of rigorous research and systematic reviews have shown no credible link. Continuing to promote these myths is not only Video No evidence linking Tylenol use during pregnancy to autism: New study ABC News