Kick severe symptoms to the curb with Mucinex® Fast-Max® Severe Congestion & Cough. This maximum-strength liquid formula is engineered for those ages 12 and up who need powerful relief from their worst cold symptoms. It combines the mucus-busting power of Guaifenesin (expectorant) with Dextromethorphan HBr (cough suppressant) and Phenylephrine HCl (nasal decongestant). This 3-in-1 action works to thin and loosen bothersome mucus, quiet persistent coughs, and clear painful sinus pressure and nasal congestion. The liquid format allows for fast absorption so you can start feeling like yourself again sooner.