My son is 4.5 yr old now...we are giving him budecort inhaler 100 2 puffs twice a day...and occassionally salbair in haler when the coughing is more....it has helped him and there is a visible improvement....bt we are using this since more than a yr as suggested by doctor...from last 4-5 days he gets cough in the night when he is sleeping and also when he gets up in the morning...for few months we gave motair 4 tab also...what should we do now?is it a symptom of astama? Hw long he may take to get rid of it?