Research doesn’t show using Tylenol during pregnancy causes autism. Here are 5 things to know

Research doesn’t show using Tylenol during pregnancy causes autism. Here are 5 things to know Health Sep 17, 2025 4:59 PM EDT

This article originally appeared on PolitiFact .

For years, Tylenol has generally been considered safe for treating pain and fever — even during pregnancy, when doctors discourage patients from using many medications.

Doctors might even recommend taking Tylenol for pain or fever during pregnancy, because left untreated, they can pose their own health risks.

But recent news reports about the federal government connecting Tylenol to autism have drawn fresh questions about the drug, and concerns.

A few things are clear.

After years of research, no study has shown that acetaminophen, the main ingredient in Tylenol, causes autism. There’s no known single cause