2nd Circ. Says Tylenol Maker Must Face Autism, ADHD Suits

By Emily Field · July 13, 2026, 10:29 PM EDT

The Second Circuit said Monday that a lower court had wrongly excluded plaintiffs experts from testifying about an alleged relationship between using Tylenol during pregnancy and autism spectrum disorder and attention-deficit/hyperactivity...

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Case Information

Case Title

In Re: Acetaminophen - ASD-ADHD Products Liability Litigation

Case Number

1:22-md-03043

Court

New York Southern

Nature of Suit

Personal Injury: Health Care/Pharmaceutical Personal Injury Product Liability

Date Filed

October 05, 2022


Case Title

In Re: Acetaminophen - ASD-ADHD Products Liability Litigation

Case Number

24-916

Court

Appellate - 2nd Circuit

Nature of Suit

Date Filed

April 10, 2024


Case Title

In Re: Acetaminophen - ASD-ADHD Products Liability Litigation

Case Number

24-1121

Court

Appellate - 2nd Circuit

Nature of Suit

Date Filed

April 26, 2024


Case Title

In Re: Acetaminophen-ASD-ADHD Products Liability Litigation

Case Number

24-2360

Court

Appellate - 2nd Circuit

Nature of Suit

Date Filed

September 10, 2024


Case Title

In Re: Acetaminophen ? ASD?ADHD Products Liability

Case Number

24-2594

Court

Appellate - 2nd Circuit

Nature of Suit

Date Filed

September 30, 2024