What causes abnormal sounds in children's breathing?

Patient's question:

There is some noise, a little cough, taking Chinese medicine prescribed by the doctor, have taken Cough and Asthma Relief and Cefalexin, 1.5 years old, boy

Doctor's answer:

If the child's condition is caused by choking, check for the possibility of pneumonia and seek anti-inflammatory treatment. Take Yan Bian Granules at the same time. Drink more water, eat less spicy and irritating food, pay attention to rest, exercise more, maintain a strong body, and pay attention to personal hygiene.