When a child with a cold often cries, will it affect the lungs?

Patient's question:

Cough with heavy phlegm, sleep is not stable, poor appetite, doesn't eat a bit of food.
History of treatment and effectiveness: Took cough medicine.
What kind of help do you want: When the child has a cold, does it always cry, will it affect the lungs?

Doctor's answer:

There are many reasons for coughing. If coughing is accompanied by fever and runny nose, it is often a cold, tonsillitis, or pharyngitis. If coughing persists after a cold, consider bronchitis. If throat abnormalities occur at night and coughing, consider asthma. If there is difficulty breathing without fever, with each breath the intercostal spaces sink, consider bronchitis or asthma. If difficulty breathing occurs with a barking cough, consider acute laryngitis. If there is fever, poor complexion, and difficulty breathing, consider pneumonia. If there is sudden severe coughing, difficulty breathing, and poor complexion, consider possible aspiration of foreign objects.