- Quiets wet & dry coughs
- Thins & loosens mucus that causes chest congestion
- Starts to work right away & lasts for 12 hours
- Maximum Strength, Extended-release bi-layer tablet
- Mucinex is the #1 doctor recommended OTC expectorant among Internists, General Practitioners & Family Practitioners
Mucinex DM Maximum Strength 12-Hour Expectorant and Cough Suppressant Tablets has a bi-layer tablet with maximum-strength medicines that fights coughs caused by mucus for up to 12 hours. The extended-release bi-layer tablet is designed with two layers. The first layer is absorbed quickly by your body for fast relief. The other layer dissolves slowly to continue relieving your coughs for 12 hours. Mucinex DM Max Strength contains 1200 mg Guaifenesin & 60 mg dextromethorphan HBr.