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 PDF] Evidence that Increased Acetaminophen use in Genetically Vulnerable Children Appears to be a Major Cause of the Epidemics of Autism, Attention Deficit with Hyperactivity, and Asthma Semantic Scholar Fact Check: Can Tylenol Cause Autism? May 2026] Tylenol Autism ADHD Lawsuit File Today What the research says about autism and acetaminophen use during pregnancy Yale School of Public Health