Mucinex and Mucinex DM both contain an expectorant that helps loosen mucus. Mucinex DM also contains a drug that helps reduce coughing. Both have slightly different side effects. When you need some ...
Robitussin DM can help reduce cough and loosen phlegm. It may interact with some medications, including those for certain psychiatric conditions. Robitussin DM is a cough medicine for treating your ...