Acetaminophen Use During Pregnancy and Autism Risk Sex differences in glutathione metabolism and acetaminophen toxicity 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 The Dangers of Acetaminophen for Neurodevelopment Outweigh Scant Evidence for Long Term Benefits Tylenol Autism ADHD Lawsuit Settlement Payouts 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