what is dextromethorphan
Dextromethorphan (DXM or DM) is an antitussive (cough suppressant) drug of the morphinan class with sedative and dissociative properties.
Dextromethorphan (DXM) is a synthetic substance most commonly found in a variety of over-the-counter (OTC) medicines as an antitussive (cough suppressant) and expectorant (an agent that promotes the removal of mucus from the respiratory tract).