President Trump Claims Research Links Tylenol to Autism; Scientists Say Misinterpretation of Findings

During a recent White House press conference, President Donald Trump highlighted concerns about the over-the-counter medication Tylenol (acetaminophen), suggesting a potential link to rising autism rates. He urged pregnant women to avoid taking Tylenol whenever possible, advocating for a proactive approach to prevent possible adverse effects. However, experts clarify that the research supporting this claim has been widely misinterpreted.

Academic and medical professionals emphasize that untreated fevers during pregnancy pose significant risks, including birth defects, premature birth, and neurodevelopmental issues like autism. Acetaminophen remains the safest widely available medication for managing fever and pain in pregnant women, as supported by numerous studies and guidelines.

The White House-referenced study, conducted by researchers including UCLA epidemiologist Dr. Beate Ritz, found an association between prenatal acetaminophen use and neurodevelopmental disorders in children. However, Dr. Ritz clarifies that this does not establish a causal link between Tylenol and autism. The research stresses caution and judicious use rather than outright avoidance. The study suggests that regular, high-dose, or prolonged use of Tylenol might be associated with increased risks, but it does not advocate withholding the medication in cases of severe pain or fever.

Government health agencies, including the FDA, recommend careful consideration when using acetaminophen during pregnancy. A recent letter from the FDA notes that while some studies hint at a potential association, there is no definitive evidence establishing causality. The agency advises healthcare providers to weigh the benefits and risks, emphasizing that untreated fever can be more harmful than the medication itself.

Other pain relievers, such as NSAIDs like ibuprofen or naproxen, are linked to complications like issues with blood vessels, kidney problems, and reduced amniotic fluid. As a result, acetaminophen remains the preferred over-the-counter option for pregnant women, in consultation with their healthcare providers.

Communication around this topic has become increasingly complex, with mixed messages from government and industry sources. The Department of Health and Human Services reiterated that Tylenol's label advises consultation with a healthcare professional during pregnancy. Tylenol's manufacturer, Kenvue, clarified that they do not recommend specific use during pregnancy, deferring to medical advice.

In summary, while some studies suggest an association between prenatal acetaminophen use and neurodevelopmental disorders, current evidence does not confirm causality. Pregnant women are advised to consult their healthcare providers for personalized guidance, balancing the risks of medication use and untreated illness.

Source: https://medicalxpress.com/news/2025-09-trump-links-tylenol-autism-scientists.html