- Each tablet contains 600 milligrams of guaifenesin (which helps break up mucus) and 30 milligrams of dextromethorphan HBr – a cough suppressant
- Mucinex DM controls coughs and thins and loosens mucus
- Immediate and extended release
- There are 20 12-hour-relief tablets in a box
Pharmaceuticals-OverTheCounter-Other" width="100%" height="400" frameborder="0" marginheight="0" marginwidth="0">*}