Medically reviewed by Anju Goel, MD Expectorants are medications that help thin and loosen mucus, making it easier to cough ...

Over-the-counter decongestants narrow the blood vessels ... For a wet, productive cough, you may also choose an expectorant.

You can get it over-the-counter (OTC) or as a prescription. Common brand names include Mucinex and Robitussin. Guaifenesin comes in pill, tablet, granular, and liquid forms. Oral expectorants come ...