A member asked:

Will using mucinex (guaifenesin) dm help with bronchitis and asthma was prescribe prednisone 20mg ariythomicin 250mg for 7 days om gor 4 daytake pro air and advair?

A doctor has provided 1 answer
Dr. Richard Roberts answered

Specializes in Pediatrics

The "active" ingredient in Mucinex (guaifenesin) is guaiafenisin. It has been hawked by drug huxters as an expectorant for for over 50 years-- something wonderful for loosening up phlegm so you can cough it up from your congested lungs. When the AMA Drug Evaluations was published in 1980, pharm companies were aghast, because it evaluated which drugs worked best. This one was "at least as good as a placebo".

Answered Mar 29, 2016



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Is Mucinex (guaifenesin) safe to use if you have both bronchitis and asthma?

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