A member asked:

I'm afraid of getting insomnia after taking mucinex (guaifenesin) what are the chances and what can i do to help prevent it?

A doctor has provided 1 answer
Dr. John Chiu answered

No problem: Mucinex (guaifenesin) does not cause insomnia but Mucinex (guaifenesin) D may (due to the pseudoephedrine in D)

Answered 9/8/2016

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Thank

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