What is the reason for coughing yellow phlegm and running nose after a cold?

Patient's question:

Hello doctor, I have a cold with yellow phlegm, runny nose, and feel chest tightness. What medicine should I take?

Doctor's answer:

After a cold, chest tightness, coughing with yellow phlegm indicates a recurrence of respiratory bacterial infection. If you don't have a history of penicillin allergy, it is recommended that you take Amoxicillin capsules orally for rescue treatment for three to five days and carefully observe the therapeutic effect. If the effect is not satisfactory, it is best for you to visit a local regular hospital's respiratory department for follow-up consultation, undergo tests such as blood routine, chest X-ray, and sputum culture, and then receive direct medication guidance from the doctor for anti-infection treatment.

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