Wheezing results from a narrowing of the airways and typically indicates some difficulty breathing. The narrowing of the airways can be caused by inflammation from asthma, an infection, an allergic reaction, or by a physical obstruction, such as a tumor or a foreign object that's been inhaled.
The most common cause of recurrent wheezing is asthma. Possible causes of wheezing include:
Causes shown here are commonly associated with this symptom. Work with your doctor or other health care professional for an accurate diagnosis.