My wife is 34yrs old.she is suffering from breathless without exertion,dry coughing, not able to do normal work since last 6 yrs, conditiin becomes more worsening since last 1 month. Her report shows 30% eosinophilic count, ig e level is 377, ct scan chest is normal, pft show restrictive lung diseases. She is on maxiflow 250 inhaler 2 puff twice a day, tiova inhaler 2 puff once a day, allegra m hs since last one month but she is not responding to treatment . Please say what will we do?