Anyone in the U.S. who bought any flavor Robitussin product containing dextromethorphan (or DXM) and labeled as “non-drowsy” between Feb. 16, 2016, and Jan. 21 are eligible to file a claim, according ...

A complaint filed in June 2022 said calling those products non-drowsy is “false and misleading,” arguing that Robitussin contains dextromethorphan, a cough suppressant commonly found in over ...