Pfizer and Tris Pharma have agreed to pay $41.5 million to settle allegations by Texas Attorney General Ken Paxton that they provided an ADHD medicine to children on Medicaid while knowing about “flawed” manufacturing practices.

The companies were accused of altering testing methods between 2012 and 2018 to ensure the drug, known as Quillivant XR, satisfied regulatory hurdles, according to a lawsuit that was filed two years ago. In doing so, the companies allegedly violated federal and state laws. Tris Pharma manufactured the medication for Pfizer.

The lawsuit contended that Pfizer was aware of the problems with the drug, such as a failure to dissolve properly in the body, but misrepresented to state Medicaid officials that Quillivant was properly manufactured and complied with federal

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