Guaifenesin is an expectorant that helps. Mucinex dm what's the difference? Webwhat is the difference between mucinex d and dm?

So, theyโ€™re both expectorants, or. Webmucinex d and mucinex dm both contain the expectorant guaifenesin (which is contained as a single ingredient in mucinex). Mucinex contains guaifenesin only and is used. Webthe main difference between mucinex, mucinex d, and mucinex dm is the active ingredients in each brand name. Mucinex d and mucinex dm both contain guaifenesin as an active ingredient.

Mucinex d and mucinex dm both contain guaifenesin as an active ingredient.