What Is the Difference Between Robitussin and Robitussin DM?

Learn how Robitussin and Robitussin DM differ in treating cough and chest congestion to choose the right medication for your symptoms.

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Yes, there is a difference between Robitussin and Robitussin DM. Robitussin primarily contains guaifenesin, an expectorant to relieve chest congestion. Robitussin DM includes both guaifenesin and dextromethorphan, a cough suppressant to reduce coughing.** Choose based on whether you need to address cough, congestion, or both.

FAQs & Answers

  1. What is guaifenesin used for in Robitussin? Guaifenesin is an expectorant that helps loosen mucus in the chest, making it easier to cough up and relieve congestion.
  2. How does Robitussin DM help with coughing? Robitussin DM contains dextromethorphan, a cough suppressant that reduces the urge to cough.
  3. When should I choose Robitussin over Robitussin DM? Choose Robitussin if you primarily want to relieve chest congestion, and Robitussin DM if you also need to suppress coughing.

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