Mucinex DM helps clear out excess mucus and controls cough. Plus, it lasts for 12 hours. And for your worst congestion and cough there's Maximum Strength Mucinex DM. It looks like Mr. Mucus is going to lose a lot of sleep.
Breaks up congestion by thinning and loosening excess mucus
Temporarily relieves cough due to minor throat and bronchial irritation as may occur with the common cold or inhaled irritants
Breaks up excess mucus that causes chest congestion
Controls cough
Lasts for 12 hours
Recommended dosage: Adults and children 12 years and older: 1 or 2 tablets every 12 hours; not more than 4 tablets in 24 hours. Children under 12 years of age: do not use.