Mucinex vs. Mucinex DM: Key Differences for Cough & Congestion
Mucinex is the brand name for the expectorant guaifenesin, which thins mucus to help you cough it up. Mucinex DM adds dextromethorphan, a cough suppressant that quiets the urge to cough. People often grab either box because both promise “cough relief,” but when chest congestion is thick and productive, plain Mucinex loosens it; when hacking…