Shop for Robitussin in Cold Cough and Flu. Buy products such as Robitussin Adult Cough Congestion DM and Cold Medicine, Cough Suppressant, Raspberry, 8 Fl Oz at Walmart and save. Browse the Robitussin website today to find out which product is right for you. Robitussin cough medicine effectively shuts cough down for children and adults. Active ingredients (in each 5 mL tsp)Purpose - Dextromethorphan HBr, USP 10 mg - Cough suppressant - Guaifenesin, USP 100 mg - Expectorant - Pseudoephedrine HCl, USP 30 mg - Nasal. This medication is used for temporary relief of coughs without phlegm that are caused by certain infections of the air passages (such as sinusitis, common cold). This product should not usually be used for an ongoing cough from smoking or long-term breathing problems (such as chronic bronchitis, emphysema) unless directed by your doctor. This product contains dextromethorphan. It is a cough. Control your cough and get relief from chest congestion with Cough + Chest Congestion DM, a cough suppressant and expectorant from Robitussin. Get clear safety guidance for Robitussin (Guaifenesin Oral), including warnings, precautions, when to seek medical assistance, and how to use it correctly. Robitussin (guaifenesin) is an expectorant. It helps loosen congestion in your chest and throat, making it easier to cough out through your mouth. Robitussin is used to reduce chest congestion caused by the common cold, infections, or allergies. Robitussin DM is a cough medicine for treating your cold or flu. Here’s what you need to know, including how it works, the forms it comes in, as well as side effects, interactions, and warnings. Product Description Children's Robitussin Cough and Chest Congestion DM is a cough medicine for kids that relieves your child’s coughs and the symptoms that often come with them, all in a tasty grape flavor. This Robitussin cough syrup goes down quickly and provides cough and cold relief fast so your family can get on with your day. What do Robitussin products treat? Robitussin products are commonly used to treat cough and chest congestion. The main active ingredients in most products are guaifenesin and dextromethorphan.