Updates on Tylenol Autism Lawsuit Acetaminophen causes neurodevelopmental injury in susceptible babies and children: no valid rationale for controversy 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 Nini Munoz , PhD. Since the administration claimed Tylenol as a cause of autism, we've seen a number of alternative and 'integrative' practitioners talking Instagram