What is the most appropriate medicine for treating lung heat and phlegm?

Lung fever is mainly caused by external evils invading the lungs or lung meridians. The types of lung fever include wind-heat against the lungs, dryness against the lungs, surface cold and lung-heat, and phlegm-heat and congestion of the lungs, etc. Doctors will administer medication according to the specific conditions of the patients.
1. Wind-heat against the lungs syndrome: the patient’s main manifestations are cough, fever and thirst, or see the throat inflammation and pain, the tongue is red, and the pulse is floating. The patient can follow the doctor’s instructions to apply Sangju Drink, Yinqiao San and so on. Commonly used medicines include scutellaria, gypsum, Zhimu, honeysuckle, thorns, windbreak, etc.
2. Dryness and evil spirits in the lungs: the patient mainly manifests dry cough without any disease, or sputum is sticky, and it is difficult to cough out. Patients can follow the doctor’s instructions to apply the prescription of mulberry and apricot soup and so on. Commonly used drugs include mint, thorns, gypsum, Zhimu, raw rhizome, maitong, etc..
3. Cold exterior and heat in the lungs: the patient’s main manifestations are coughing, shortness of breath, thick sputum, unpleasant sputum, chills (fear of cold) and heat. The patient can follow the doctor’s instructions to apply the prescription medicines, such as Ma Xing Shi Gan Tang. Commonly used drugs include gua gua gua zi, zhu lei half summer, hedgehog and so on.
4. Phlegm-heat congestion of the lungs: the patient mainly manifests coughing, sputum yellow and thick, or phlegm in the throat, chest tightness, wheezing and breathlessness. The patient can follow the doctor’s instructions to apply the prescription of Qing Jin Huo Phlegm Tang, Sang Bai Pi Tang, Yue Maiden plus half-summer Tang and so on. Commonly used additive and subtractive medicines include fritillary, buckwheat root, eleutherococcus, donggua ren, honeysuckle, and so on.
Patients should follow the doctor’s instructions for treatment, do not blindly treat yourself, so as not to delay the condition or cause adverse reactions.