Everything to Know About Tylenol and Autism in 2025

President Trump claimed that there is a connection between Tylenol and autism.
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What did President Trump say about Tylenol and autism?

On Monday, September 22, President Trump announced that FDA would be altering its recommendations on the usage of acetaminophen during pregnancy. According to him, women shouldn’t take Tylenol when pregnant because of an increased risk of autism. He suggested that pregnant women with fevers should only take the medication if it’s absolutely necessary.

Does Tylenol usage during pregnancy cause autism?

While there is some research that suggests an association between autism and exposure to acetaminophen during pregnancy, there is no evidence of a causal relationship between the two.¹ The Trump administration cited a observational study which suggested the association. However, larger and more detailed studies have found no evidence of a connection between Tylenol and autism.

Why do pregnant women take Tylenol?

Tylenol is the only over-the-counter pain medication that is considered safe for pregnant women. Other, similar medications (such as Advil or ibuprofen) have been shown to increase the risk of certain dangerous conditions occurring, such as kidney damage to the developing baby. Also, since a high fever can negatively impact a fetus, so pregnant women may take Tylenol to reduce the fever.

Who owns Tylenol?

Tylenol is owned by Kenvue. The company was previously a part of Johnson & Johnson but became fully independent in 2023. The company also owns several other high-profile brands such as Band-Aid and Listerine.

Is there a lawsuit related to the Tylenol and autism claims?

A class-action lawsuit was previously filed against Kenvue due to claims that exposure to acetaminophen caused babies to develop autism.² However, the federal case was dismissed due to a lack of scientific evidence (although the plaintiffs have appealed). There is concern that the President’s recent remarks could spark new lawsuits. On the other hand, many have speculated that Kenvue may attempt to file a lawsuit against the Trump Administration if the claims are proven to be untrue. As of yet, no lawsuits have been filed as a result of President Trump’s claims.

Is Tylenol safe for newborns?

There is debate as to whether it is safe to give Tylenol to a newborn. Generally speaking, it is a good idea to consult with a physician before giving medicine to a newborn.

How are regulatory agencies reacting to the President’s claims about Tylenol causing autism?

FDA is part of the Trump administration and has made similar claims about the risk of Tylenol usage during pregnancy. However, international regulatory agencies have rejected the claims. Health officials in the UK have no plans to change their recommendations.

What causes autism?

The medical and scientific community are still researching the causes of autism. The leading theory, supported by evidence, says that autism is likely a genetic condition that is the result of a combination of genetic and developmental conditions. While some groups have attempted to blame outside sources, such as Tylenol during pregnancy or vaccines, to autism, there is little to no evidence supporting these claims.

Are other painkillers safe during pregnancy?

Tylenol, made from acetaminophen, is considered to be the only safe over-the-counter painkiller for pregnant women. Other medications, such as Advil and ibuprofen, have been linked to increased risk factors, such as kidney damage.

Did the President’s claims about Tylenol and autism impact the company’s stock price?

Following initial rumors that the Trump administration planned to announce a link between autism and Tylenol, parent company Kenvue’s stock began to drop. Following the announcement, the stock dropped to an all-time low. However, the stock briefly rebounded before dropping again.

Sources

1. A Doctor Fact Checks FDA Commissioner Dr. Marty Makary’s Claims On Tylenol And Autism. Forbes. September 24, 2025. https://www.forbes.com/sites/omerawan/2025/09/24/a-doctor-fact-checks-fda-commissioner-dr-marty-makarys-claims-on-tylenol-and-autism/
2. Tylenol maker prepares for glut of lawsuits after Trump’s baseless warnings. The Independent. September 24, 2025. https://www.independent.co.uk/news/world/americas/tylenol-autism-trump-kenvue-lawsuits-b2832385.html