Baby doesn't cough when he's awake. He coughs when he's asleep.

Baby does not cough when awake as long as sleep cough, consider may be caused by viral infection. Suggestions: you can take your baby to the hospital to do a blood test. If it is viral infection, to oral anti-viral drugs, at the same time with Chuanbei loquat syrup treatment, if necessary, take aerosol inhalation treatment.