Evaluating the Role of Susceptibility Inducing Cofactors and of Acetaminophen in the Etiology of Autism Spectrum Disorder 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 Is Tylenol Safe During Pregnancy? Understanding Risk Factors Seeking Health What Evidence Shows About Tylenol and Autism Public Health Post Acetaminophen Use During Pregnancy and Autism Risk Acetaminophen is an over the counter medicine used to reduce fevers and relieve pain. It is sold under many brand names, including Tylenol. Decades of research have found that acetaminophen is safe for children