Children's Mucinex Free From Cold & Stuffy Nose Liquid is a non-drowsy, over-the-counter medicine that helps relieve the symptoms of a cold, including stuffy nose, cough, and chest congestion. It is free from artificial flavors, colors, and dyes, and it is alcohol- and sugar-free. Children's Mucinex Free From Cold & Stuffy Nose Liquid is available in a 4-ounce bottle. It is for children ages 4 and older. The recommended dosage is 5 milliliters (mL) every 4 hours, up to 4 times daily. Do not give more than 20 mL in a 24-hour period. Active ingredients in Children's Mucinex Free From Cold & Stuffy Nose Liquid: Guaifenesin:? Is an expectorant that helps to loosen mucus in the airways. This makes it easier to cough up mucus and clear the airways. Dextromethorphan HBr: Is a cough suppressant that helps to reduce the frequency and severity of coughs.