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A member asked:

I accidentally took mucinex (guaifenesin) fast max severe congestion and cough right after taking a dose of dayquil severe cold and flu that i had forgotten about. ?

A doctor has provided 1 answer
Dr. Amrita Dosanjh answered

Specializes in Pediatric Allergy and Asthma

Mgt: You may feel drowsy and the secretions will be more dry. Stay well hydrated and I would advise resting and not driving for the next 12 hours.

Answered 5/12/2018

1.4k views

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Got a cough, chest congestion and lost my voice. Took penicillin and mucinex (guaifenesin). My voice is back & cough calmed down but still have mucous in my chest?

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