1 definition by kolonoman

Expectorant/cough suppressant containing 60 mg extended-release bi-layer dextromethorphan HBr tablets. Also contains 1200 mg guaifenesin.
Active ingredients also found in Mucinex DM, Delsym, NyQuil, etc.
by kolonoman October 21, 2008
Get the Mucinex DM mug.