Q:

What are the active ingredients in Robitussin?

A:

Quick Answer

Robitussin Cough & Cold medicine contains the active ingredients guaifenesin, dextromethorphan and pseudoephedrine, according to WebMD. This combination treats cold, flu and allergy symptoms, such as cough, congestion and runny nose.

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What are the active ingredients in Robitussin?
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Full Answer

Specifically, guafenesin is an expectorant that thins and loosens mucus in the lungs, making it easier to cough up, according to WebMD. Dextromethorphan is a cough suppressant that reduces the urge to cough by acting on the cough center of the brain. Finally, pseudoephedrine is a decongestant that helps to alleviate runny nose and stuffiness. While none of these ingredients shortens the course of a cold, they can temporarily relieve symptoms.

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