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‚Ä. 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 congestionACTIVE INGREDIENTS: Contains Dextromethorphan HBr - cough suppressant; Guaifenesin - expectorantTake only as DirectedIQVIA using ProVoice Survey, December 2022‚ÄU.S. News & World Report/Pharmacy Times 2023-2024