My cousin have got attacked severly by bronchitis before 17 years first and i can say last time and due to dust allergy occassionally i.E, once or twice in a year that too may be or may not be, suffers only in night time breathing problem she faces, now she is 37 years. Is it necessary to consult doctor to get cure or not. And pl inform that the problem increases as she grew older. Can it be cured permanently