Wheezing indicates difficulty breathing, often caused by constricted or partially blocked airways. It most often arises from the smaller breathing tubes deep in your chest (bronchioles), but may also originate in a larger airway. Wheezing can be caused by inflammation or a physical obstruction, such as a tumor or a foreign object that's been inhaled. Other 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.