The symptoms of acute bronchitis in children are mainly respiratory. The most common are cough and sputum, and because children are more resistant, most children will have a fever. If it is caused by a viral infection, it will also be accompanied by clinical symptoms such as sneezing, runny nose, nasal congestion, sore throat, and swollen lymph nodes in the neck. This is because acute bronchitis in children is commonly caused by viral infections. It usually improves with symptomatic treatment. However, if the child does not improve, yellow sputum and persistent high fever, especially if the course of the disease is more than 3 days to consider the possibility of complications of pneumonia, you need to promptly go to the hospital to perform auxiliary tests such as chest X-ray examination to clarify the diagnosis.