The child has been suffering from colds for the past three months, with symptoms including runny nose, nasal congestion, coughing, and loss of appetite. Despite treatment with medications such as Ciprofloxacin, Moxifloxacin, Flumequine, Paracetamol, Cefalexin, Tylenol oral solution, and Ribavirin, the condition has not improved. The child has now experienced similar symptoms again three weeks ago and has been suffering for three months. What should be done?