4 doctors weighed in:
What is Robitussin (guaifenesin) pe?
4 doctors weighed in

Dr. Michael DePietro
Internal Medicine - Pulmonary Critical Care
3 doctors agree
In brief: 2 medicines
Its a combination of a medicine called Pseudoephedrine which is a decongestant that works by shrinking the blood vessels in the nose and an expectorant ( guaifenesen ) that aims to make mucous easier to cough up.

In brief: 2 medicines
Its a combination of a medicine called Pseudoephedrine which is a decongestant that works by shrinking the blood vessels in the nose and an expectorant ( guaifenesen ) that aims to make mucous easier to cough up.
Dr. Michael DePietro
Dr. Michael DePietro
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