Question: what is the difference between mucus relief and mucus relief dm?
Answer: Breaks up mucus and relieves congestion. Safeway Mucus Relief Pe (Guaifenesin / Phenylephrine) is good for treating cold and congestion symptoms, but it won't relieve coughing. Mucinex Dm (Dextromethorphan / Guaifenesin) is a combination medicine that relieves multiple cold symptoms.