1. Mucinex D helps with nasal congestion, while Mucinex DM helps quiet a cough Both Mucinex D and Mucinex DM help relieve chest congestion. This is because they both contain guaifenesin (an expectorant ). It helps relieve chest congestion by thinning and loosening mucus in your lungs and throat.
Fact Checked Mucinex DM is an over-the-counter (OTC) combination medication that relieves cough and chest congestion caused by the common cold, flu, and allergies. Each tablet combines dextromethorphan hydrobromide, a cough suppressant, with guaifenesin, a drug that loosens mucus and bronchial secretions in the lungs.
Official answer by Drugs.com Mucinex D is (guaifenesin and pseudoephedrine) is an expectorant/nasal decongestant combination, and Mucinex DM (guaifenesin and dextromethorphan) is an expectorant/cough suppressant combination. Mucinex D and Mucinex DM both contain the expectorant guaifenesin (which is contained as a single ingredient in Mucinex ).
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what does the dm stand for in mucinex dm
