# FDA Approves Teva's Generic Glycerol Phenylbutyrate Teva Pharmaceuticals has received FDA approval for its generic formulation of glycerol phenylbutyrate, an oral medication used to treat hyperammonemia, marking an important entry into this specialized metabolic disorder market. The approval is expected to increase patient access and drive competitive pricing in the urea cycle disorder treatment space, potentially reducing costs for healthcare systems managing this rare genetic condition.