Maximum Strength Mucinex Fast-Max DM MAX is a Symptom Relief medicine for your Chest Congestion & Cough Symptoms. Maximum Strength Mucinex Fast-Max DM MAX helps relieve cough, thins and loosens mucus and relieves chest congestion. Mucinex is the #1 Cough & Cold Brand Doctors Trust* and #1 Pharmacist Recommended Brand†. This product contains 6 Fluid Ounces. Use as directed, for Adults and Children 12 years of age and over. SYMPTOMS RELIEVED: Maximum Strength Mucinex Fast-Max DM MAX helps relieve cough, thins and loosens mucus and relieves chest congestion ACTIVE INGREDIENTS: Contains Dextromethorphan HBr - cough suppressant; Guaifenesin - expectorant Take only as Directed *IQVIA using ProVoice Survey, December 2021 †U.S. News & World Report/Pharmacy Times 2022-2023