| 1 | The control group only gives relieves a cough, dispels phlegm treats for one week. | |
| 2 | Phenol red test was used to observe its expectorant action in mice. | |
| 3 | Licorice is a nourishing herbal medicine. The Indication of Licorice is expelling phlegm and arresting coughing. | |
| 4 | Compound pinellia water extract exerts significant effects of anti-asthma, antitussive, and eliminating phlegm. | |
| 5 | Decongestants can help unclog a stuffy nose, and expectorants help loosen mucus. |