Singulair Lawsuit 2025. San diego — a california federal judge has refused to dismiss an action targeting singulair (montelukast), ruling the plaintiffs adequately alleged they ingested the. A federal district court held that merck & co., inc., and merck sharp & dohme corp.

Parents who argue singulair endangered their children view the fda’s 2020 decision to add a black box warning as vindication, but many still want to sue merck for not. His parents soon started exploring a lawsuit against merck, the developer of the blockbuster asthma and allergy drug, singulair, along with the manufacturer of the generic version their son.