Mucinex DM 12 Hour Expectorant & Cough Suppressant 600 mg Guaifenesin & 30 mg Dextromethorphan HBr Extended-Release Bi-Layer Tablets, 40 ct

Mucinex DM is an over-the-counter combination product presented as extended-release bi-layer tablets in a carton of 40. The front panel identifies it as an expectorant and cough suppressant containing 600 mg guaifenesin and 30 mg dextromethorphan HBr per tablet. The bi-layer tablet is described on the pack as immediate and extended release, with 12 hour marked on the front. The tablets are swallowed whole.