my daughter is 4yrs 5m old.she is having common cold from last 1 month with cough at night which make her unable to sleep at night mostly.firstly went to pediatrics doctor given antibodies, nebuliser but not working ...not pediatrics telling as it may be asthama...went to ent doctor who give cortosteroid spray...but still same situation..still no relief from common cold....what to do now??? or should I start taking asthama inhailer as per suggestion of pediatrics doctor?