The clinical manifestations are recurrent wheezing, shortness of breath, chest tightness or coughing, etc., which often attack or worsen at night and early in the morning, and most patients can relieve themselves or after treatment.
Clinical manifestations of recurrent wheezing, shortness of breath, chest tightness or cough, often at night and in the early hours of the morning, most patients can self-relief or post-treatment remission.
The clinical manifestations are recurrent wheezing, shortness of breath, chest tightness or cough, which often attack or aggravate at night and early in the morning. Most patients can relieve themselves or after treatment.