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A member asked:

I took over-the-counter robitussin (guaifenesin) can i take prescription robitussin (guaifenesin) with codeine after 4 hours?

A doctor has provided 1 answer
Dr. James Marx answered

Specializes in Pain Management

Probably : Remember Robitussin (guaifenesin) mainly works by irritating the stomach to stimulate secretions. Taking more often than 6 hours my lead to stomach upset, so you might want to wait a little longer than 4 hours.

Answered 8/12/2020

4.7k views

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