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
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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