causes of wheezing
Causes. 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.he most common cause of recurrent wheezing is asthma. Possible causes of wheezing include: 1  Allergies. 2  Anaphylaxis (a severe allergic reaction, such as to an insect bite or medication). 3  Asthma.