If the phlegm is thick and sticky, you can take Chinese medicines such as snake gall, Sichuan shellfish liquid, Sichuan shellfish loquat ointment, acute branch syrup, etc.; if the phlegm is dampness, you can take Chinese medicines such as Er Chen pill; and if the cough is caused by lung-heat, you can take Qing qi and phlegm pills.
The thick and sticky phlegm is usually seen in wind-heat offending the surface, phlegm-dampness in the lungs, lung-heat cough, and so on, and different types of certificates can be taken by different proprietary Chinese medicines.
For yellowish and sticky phlegm caused by wind-heat, you can take Chinese medicines such as Snake Gallbladder and Pei Pa Koa Liquid, Pei Pa Koa Ointment, and Syrup of Emergency Cough.
For phlegm that is thick and sticky due to phlegm-dampness in the lungs, it is advisable to take the proprietary Chinese medicine Er Chen Wan to dry up dampness and resolve phlegm (to remove phlegm from the body by drying up dampness).
If phlegm-heat congestion in the lungs leads to excessive, yellow, sticky phlegm, it is advisable to clear the lungs and resolve phlegm (to remove heat from the lungs and dissolve phlegm evils), and Chinese medicines such as Qingqi Huo Phlegm Pills can be used.
The use of proprietary Chinese medicines to clear phlegm and dissolve phlegm (to remove heat from the lungs and dissolve phlegm) can be achieved by using Chinese medicines such as Qingqi Huo Phlegm Pill.