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Expectorants are medications that break apart mucus and make it easier to cough up and expel from your body. There are many over-the-counter expectorants available at drug stores, but you can go to your doctor for a prescription as well.
Dextromethorphan is the most common ingredient for this. Youâll see it listed as DM on the bottle or package. This type of medication isnât used to treat a cough with mucus. And it canât relieve pain like the medicine codeine -- you'll need a doctorâs prescription for cough meds with that in it.