The Attorney General's Office said the lawsuits were filed Nov. 8 under seal but were unsealed at the attorney general's request.

The lawsuits, Cause Numbers 23-1031 for New York-based Pfizer and 23-2030 for New Jersey-based Tris Pharma are in the Harris County 71st District Court. They allege Pfizer and the manufacturer it contracted with for production of Quillivant, a drug to treat attention deficit hyperactivity disorder, defrauded the Texas Medicaid program by providing an adulterated drug to children in violation of the Texas Medicaid Fraud Prevention Act.

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Adolfo Pesquera

Adolfo Pesquera, based in San Antonio, covering Texas courts. Contact at [email protected]. On Twitter: @Adolfo_PEZ