To determine the cause of your wheezing, your doctor will ask questions about your symptoms and what triggers them. For example, if you have no history of lung disease and you always wheeze after eating a certain food or at a certain time of year, the doctor may suspect that you have a food or respiratory allergy.
The doctor will listen to your lungs with a stethoscope to hear where the wheezing is and how much wheezing you have.
Cough-variant asthma is a type of asthma in which the main symptom is a dry, non-productive cough. (A non-productive cough does not expel any mucus from the respiratory tract.) People with cough-variant asthma often have no other "classic" asthma symptoms, such as wheezing or shortness of breath.
Cough-variant asthma is sometimes called chronic cough to describe a cough that has lasted longer than six to eight weeks. The coughing with asthma can occur during the day or at night. If you have nighttime...