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 Tylenol, autism and the difference between finding a link and finding a cause in scientific research No link between acetaminophen use during pregnancy and children's autism risk Researchers are studying a possible link between acetaminophen (Tylenol) use during pregnancy and higher autism or ADHD risk. It may lower glutathione, an important antioxidant for brain development. There is no conclusive evidence that acetaminophen use during pregnancy causes autism in children. Read Acting NYC Health Commissioner Dr. Michelle Morse's statement Tylenol Autism Link: Is There A Lawsuit Against Tylenol? TorHoerman Law