If you took Tylenol or another acetaminophen product while pregnant and your child was later diagnosed with autism or ADHD, you may qualify for compensation.
Lawsuits against Tylenol maker Kenvue allege that acetaminophen use during pregnancy can increase the risk of autism spectrum disorder (ASD) and attention-deficit/hyperactivity disorder (ADHD) in children, and that the company failed to warn of this risk.
The litigation had been largely shut down in 2023 after the presiding judge barred certain expert testimony, but a July 2026 appeals court ruling revived hundreds of cases and reopened the path toward trial.
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The cases are consolidated in MDL No. 3043 in the Southern District of New York before Judge Denise Cote. On July 13, 2026, the U.S. Court of Appeals for the Second Circuit reversed Judge Cote's earlier ruling and revived more than 500 lawsuits, finding the lower court had improperly excluded expert testimony connecting prenatal acetaminophen use to ASD/ADHD. The reversal clears the way for these cases to move toward trial. Kenvue is reportedly still weighing its legal options in response.
The Second Circuit's July 2026 reversal reopened the federal litigation after it had been largely stalled since 2023, so new and existing claims are moving forward again. Deadlines still vary by state, so it's worth checking with an attorney about your specific timeline rather than assuming there's no rush.
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