In contrast, expectorants lubricate your airway, which helps loosen up the mucus and make the secretions in your airway thinner. By loosening up the mucus, expectorants make your cough more ...
An expectorant helps you loosen mucus so that you are able to get it out while coughing. They increase the water content of your mucus. But it is important to note that it may relieve cough ...