The presence of a dry cough with phlegm inside the throat indicates that the phlegm is very sticky and dry. You can choose some medications to drain the phlegm, such as Chinese medicine you can choose Honey Refined Chuanbei Loquat Paste, Snake Bile and Chuanbei Liquid, Snake Bile and Chen Pi San, Compound Licorice Syrup, and Lung Li Lu Syrup. Western medicine can choose carboxymethylstilbestrol oral solution, Ambroxol syrup, myrtle oil tablets, etc. These drugs can make the sputum dilute and can make the sputum expelled as soon as possible. For caused by bacterial infection, you should choose sensitive antibiotics, such as taking amoxicillin, cefaclor, cefuroxime, azithromycin, levofloxacin and other drugs for treatment.