Get control of mucus with Mucinex. Mucinex is an over-the-counter drug that helps fight and eliminate mucus in your system. Available for adults and children, Mucinex treats chest congestion, cough, sinus pressure, stuffy nose, runny nose, sore throat, fever, headache, and sneezing—all of your seasonal illnesses that threaten life’s daily pleasures such as breathing. Don’t know which medication is right for you? Mucinex has a match game online so that, like a doctor, you can click on your symptoms, and they will tell you which product will be most beneficial for you. Mucinex helps you fight those seasonal allergy and sinus issues. Get the protection you need when you need it the most. Coupons here!