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.
Every time you breathe in, air enters your nose and mouth. It flows down your throat and into a series of air passageways called bronchial tubes. Those tubes need to be open for the air to reach your lungs, where the oxygen is passed into the blood to be transported to your body's tissues.
If the airways are inflamed, air has more difficulty getting to your lungs. With less air getting in, you can feel short of breath. You may wheeze and cough in an attempt to draw in more oxygen through tightened...