How to treat chest tightness, shortness of breath, difficulty breathing, dry cough

Chest tightness, shortness of breath, difficulty breathing, dry cough, may be caused by asthma, may also be caused by bronchitis, active treatment. If asthma is caused, you can follow the doctor's advice to use β2 agonists, aerosol inhalation, the situation does not ease, the use of hormone therapy, bronchitis patients take anti-inflammatory drugs.