Webwhat is the difference between mucinex dm and just mucinex®? Soo doe e fed rin) is a decongestant, expectorant combination. Mucinex dm and mucinex (without the dm) both contain guaifenesin, an expectorant that thins your mucus.

Pseudoephedrine (gwye fen e sin; It is used to provide. Webdec 6, 2023 · mucinex d and mucinex dm both contain the expectorant guaifenesin (which is contained as a single ingredient in mucinex). Guaifenesin is an expectorant that helps. Mucinex dm what's the difference?

Mucinex dm what's the difference?