What should I do if I have yellow pus and phlegm after a cold?

The yellow pus nasal mucus and sputum after cold consider the existence of viral infection secondary bacterial infection, the treatment includes symptomatic treatment, antibacterial treatment and so on.
1. Symptomatic treatment: if there is yellow pus and nasal mucus after cold, you can take pseudoephedrine hydrochloride, etc. If there is a lot of phlegm, you can use aminoglutethimide to dissolve phlegm.
2. Antibacterial treatment: yellow pus nasal mucus after cold and more than considered to be due to secondary bacterial infection, attention should be paid to assess the site of infection, such as sinusitis, tonsillitis, bronchitis, etc., to give the appropriate anti-infective treatment, the commonly used drugs, including cefdinir, azithromycin, levofloxacin, and so on, while taking the medicine, pay attention to drink more water.
If the above symptoms occur, it is recommended to go to the hospital in time for early treatment. The above medication is recommended to be used under the guidance of a doctor or after consulting a pharmacist, avoiding self-medication.