WHO Rejects US President’s Claims Of Link Between Tylenol And Autism

Last Updated:September 25, 2025, 03:03 IST

WHO refutes Donald Trump’s claims linking Tylenol and autism, citing no conclusive evidence. Vaccines also do not cause autism, as confirmed by extensive global studies.

Donald Trump suggested a connection between childhood autism and both vaccines and the use of Tylenol during pregnancy. (File photo)

The World Health Organization (WHO) on Wednesday rejected US President Donald Trump’s claims of a link between Tylenol and autism.

According to a statement by WHO, there is currently no conclusive scientific evidence confirming a possible link between autism and the use of acetaminophen (also known as paracetamol) during pregnancy.

“Extensive research has been undertaken over the past decade, including large-scale studies, looking into links between acetaminophen use during pregnancy and autism. At this time, no consistent association has been established,” it said.

This comes after Trump, alongside senior health officials including Robert F Kennedy Jr, issued a warning about acetaminophen, the active ingredient in Tylenol, alleging it contributes to rising autism rates.

“Taking Tylenol is not good … all pregnant women should talk to their doctors about limiting the use of this medication while pregnant,” Trump said on Monday.

He also suggested a connection between childhood autism and both vaccines and the use of Tylenol (the American brand name for paracetamol) during pregnancy.

The US President further announced that the US Food and Drug Administration (FDA) would begin advising doctors to warn pregnant women about using the drug unless it is “medically necessary,” particularly for treating fever.

The WHO said: “A robust, extensive evidence base exists showing childhood vaccines do not cause autism. Large, high-quality studies from many countries have all reached the same conclusion. Original studies suggesting a link were flawed and have been discredited. Since 1999, independent experts advising WHO have repeatedly confirmed that vaccines—including those with thiomersal or aluminum—do not cause autism or other developmental disorders.”

According to The Guardian, the issue of autism and other neurodevelopmental conditions is expected to be a central focus at the UN high-level meeting on mental health and non-communicable diseases scheduled for Thursday.

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