Cough runny nose with phlegm no tips. There are many reasons for cough and runny nose with phlegm, which are commonly caused by viral colds and sinusitis. 1. Viral colds: caused by viral infections, no need to use antibiotics. For those who have acute cough or severe cough, you can use cough suppressants such as dextromethorphan as prescribed by the doctor; expectorants such as ambroxol can be used to help expel phlegm; when combined with bacterial infections, antibiotics can be used according to local epidemiological history and experience. 2. Sinusitis: local application of decongestants such as nezoline hydrochloride or tretinoin to understand glucocorticoids, oral penicillin and other antibiotics, aminoglutethimide and other mucolytic agents can be used as prescribed by the doctor; for those with anatomical abnormality of the nasal cavity and sinuses, correction of deviated nasal septum, excision of polyps, and correction of various developmental deformities are feasible. There are many reasons for cough and runny nose with phlegm, it is recommended that patients go to the hospital in a timely manner, to clarify the cause of the disease, standardized treatment under the guidance of the doctor, do not blindly believe in small tricks, so as not to delay the condition.