When cough occurs, the loss of water through the respiratory tract is relatively large, it is easy to occur in the respiratory mucosa of the dryness of the phenomenon of dry mouth, dry tongue, is due to the severity of the cough is caused by the time to carry out effective cough, phlegm treatment, can relieve the phenomenon of dry mouth and tongue. For example, you can use Ambrotyl oral solution, Ambroxol hydrochloride, Lung Li Cough Compound, Ox-Huang Snake Gallbladder and Chuanbei Liquid, and Compound Fresh Bamboo Leech Liquid, which can effectively carry out the treatment of relieving cough and resolving phlegm. It can relieve the phenomenon of cough and can relieve the phenomenon of dry mouth. In addition, to drink more water, drink more water can help moisten the airway, relieve the phenomenon of dry mouth, moisten the airway at the same time, can also help dilute the phlegm, thus promoting the discharge of phlegm, for the alleviation of cough also has some help. Then you can use a nebulizer to nebulize the inhalation of saline, can effectively relieve the phenomenon of dry airways, for the relief of cough and dry mouth, the effect is also better.