Mucinex Chest Congestion Guaifenesin 600 mg Tablets Expectorant (Cough Medicine), 40 Count

When you’re sick, mucus can be a master of mayhem. But chest congestion† relief is just a dose away — with Mucinex immediate and extended-release bi-layer tablets that start to release fast and last for 12 hours*. A cough medicine that makes coughs more productive by loosening phlegm in the chest, providing fast-acting relief for chest congestion and excess mucus due to the common cold * 600mg guaifenesin bi-layer tablet.

Relieves chest congestion due to common colds
Helps loosen mucus and makes coughs more productive
Immediate and extended release for up to 12 hours
Extended-release bi-layer tablet
Mucinex is the #1 doctor recommended OTC expectorant among Internists, General Practitioners and Family Practitioners in the US