Maximum Strength Mucinex Fast-Max Cold & Flu is a Multi-Symptom Relief medicine for your Cold & Flu Symptoms. Maximum Strength Mucinex Fast-Max Cold & Flu All In One helps reduce fever and relieve cough, sore throat, stuffy nose, chest & nasal congestion, headache and minor aches and pains. Mucinex is the #1 most trusted brand among doctors for Cold, Cough and Chest Congestion symptoms for themselves and their families* and #1 Pharmacist Recommended Brand †. This product contains 6 Fluid Ounces. Use as directed, for Adults and Children 12 years of age and over.