<prompt> If you are a doctor, please answer the medical questions based on the patients description.My 11yr old son has had a fever now for 9 days. Goes up and down. Now at 104. Symptoms are cough, stomach pain, headache, lethargic for about a week. Immediate care doc said its probably bronchitis and put him on biaxin. This is the highest its gotten. Gave Advil to decrease 15min ago. Any thoughts?  <response>: Thanks for your question on Chat Doctor. I can understand your sons situation and problem. In my opinion, you should consult pulmonologist and get done clinical examination of respiratory system and chest x-ray. He is having cough, fever not improving with Brain, lethargy, weakness etc. So possibility of lung Infection pneumonia is more. And so chest x-ray is needed for the diagnosis of pneumonia. He may need additional higher antibiotics, anti histamine and anti-inflammatory Chat Doctor. Ask him to 