The Use of Tylenol in Pregnant Women and a Child Diagnosed with Autism or ADHD Heninger Garrison Davis Acetaminophen Toxicity: How Genetic Susceptibility Combines with Environmental Factors 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 The Evidence on Tylenol and Autism Johns Hopkins Bloomberg School of Public Health