question: My child 6.5 months old, he persistently has blocked nose due to allergy. He at times develops congestion in lungs which causes shortness of breath. He is currently being given omnacortil, sucral and kufril syrup simultaneously thrice a day. Last week he was given nebulization with asthalin for two days. His weight is 7.8. Plz help me so get rid of chest congestion completely and also the causes of it.