Silver Spring, MD
A 35-year-old female asked:
Can i take cough syrup with codeine and mucinex (guaifenesin) dm simultaneously? i have bronchitis and in a lot of pain from coughing. if not, any suggestions?
1 doctor answer • 2 doctors weighed in

Dr. William Culvineranswered
ENT and Head and Neck Surgery 31 years experience
Too much Rx: I wouldn't mix the codeine containing cough medicine with Mucinex (guaifenesin) DM which contains dextromethorphan. The dextromethorphan is basically an analog of a narcotic and you would be getting an excessive dose of narcotic which could cause excessive sedation, respiratory supression, nausea, vomiting, dizziness, and other adverse effects.
1.2k viewsReviewed >2 years ago
Last updated Sep 16, 2017
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