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A member asked:
Can mucinex (guaifenesin) sinus-max cause diarrhea? took 1/4 dose yesterday and 1/2 dose today. i have hypothyroidism and ibs. watery diarrhea today.
A doctor has provided 1 answer
Yes, rarely.: Guafenesin, the real name for mucinex, (guaifenesin) is more likely to cause drowsiness or dizziness. It does cause nausea and rarely diarrhea.
Answered 6/16/2021
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