Tylenol and acetaminophen tablets in a CVS store, in a file photograph. Ronaldo Schemidt/AFP via Getty Images
After federal officials in the fall of 2025 warned against pregnant women using Tylenol, fewer women took the pain reliever during pregnancy, according to a new study.
Orders for Tylenol, also known as paracetamol and acetaminophen, dropped 10 percent for pregnant women in hospital emergency rooms, researchers said in the paper, published March 5 by The Lancet. The time period studied was Sept. 22, 2025, to Dec. 7, 2025.
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