Probably not: Mucinex (guaifenesin) dm contains guifenisin, a mucous thinner, and dextromethorphan, non-narcotic cough supressant, and is good for thinning thick mucous and helping a cough, but will not clear post nasal drainage.
Answered 8/5/2019
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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