Quote:
Guaifenesin is magical stuff, but it's not going to save you from an earache. The main effect of guaifenesin is to help you cough up junk that may be accumulating in your lungs.

I disagree. When I've had head colds in the past, that Mucinex DM absolutely clears my head out completely. I know that it's listed as an expectorant, but it works for me 100% as a decongestant. Maybe it's the Guai/DXM combo.
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Bitt Faulk