Does tylinol cause autism

Checked on September 23, 2025
Disclaimer: Factually can make mistakes. Please verify important information or breaking news. Learn more.

This fact-check may be outdated. Consider refreshing it to get the most current information.

Was this fact-check helpful?

1. Summary of the results

The claim that Tylenol causes autism is a topic of ongoing debate and research. According to the FDA, there is evidence suggesting a possible association between acetaminophen use during pregnancy and an increased risk of autism and ADHD in children, but a causal relationship has not been established [1]. Similarly, other sources suggest that while there may be an association between acetaminophen use and autism, the evidence is not conclusive and may be explained by confounding factors [2]. Some experts argue that the most robust research does not link autism and acetaminophen use in pregnancy, and that underlying health conditions may explain any apparent associations [2]. Researcher Dr. Zeyan Liew states that it is not yet known whether Tylenol causes autism, and that while observational studies show associations between frequent Tylenol use in pregnancy and negative effects on neurodevelopment, other factors may be driving these associations [3].

2. Missing context/alternative viewpoints

A key missing context in the original statement is the distinction between association and causation. Many sources emphasize that while there may be an association between acetaminophen use and autism, this does not necessarily mean that Tylenol causes autism [1] [2]. Another missing context is the potential for confounding factors, such as underlying health conditions, to explain any apparent associations between acetaminophen use and autism [2]. Alternative viewpoints include the idea that focusing on a potential link between Tylenol and autism may be a distraction from more complex issues [3], and that the evidence for a link between acetaminophen and autism is not conclusive [2]. Additionally, some sources suggest that the FDA's label change for acetaminophen may be premature, and that more research is needed to fully understand the potential risks and benefits of acetaminophen use during pregnancy [1].

3. Potential misinformation/bias in the original statement

The original statement "does Tylenol cause autism" is potentially misleading, as it implies a causal relationship that has not been established by scientific research [1] [2]. This framing may benefit those who are looking to assign blame or simplify the complex issue of autism, but it does not accurately reflect the current state of scientific knowledge [2] [3]. On the other hand, the pharmaceutical industry and manufacturers of acetaminophen may benefit from downplaying or dismissing any potential link between Tylenol and autism, as this could impact sales and revenue [1]. Overall, it is essential to approach this topic with a nuanced and evidence-based perspective, recognizing the complexity of the issue and the potential for misinformation and bias [3] [2].

Want to dive deeper?
What are the findings of the 2019 study on Tylenol and autism?
Can prenatal use of Tylenol increase the risk of autism in children?
How does the FDA regulate acetaminophen in relation to autism concerns?
What are the alternative pain relievers for pregnant women concerned about autism?
Have any class-action lawsuits been filed against Tylenol manufacturers over autism claims?