What does it mean if I hear a wheeze sound when I breathe? Is something wrong with my lungs?

From airways. Wheezing is usually due to something narrowing the airways, either from congestion, asthma, bronchitis, or a tumor either compressing the airways or else blocking the opening of the airway.
All that wheezes.... There is a famous saying in medicine that all that wheezes is not asthma. Although wheezing can be assocated with asthma it can occur in heart conditions, acid reflux, viral infections, etc. I would ask your doctor to listen to your lungs and consider doing pulmonary function tests to evaluate for asthma. A chest radiograph (xray) is usually indicated as well.

Related Questions

I am coughing up with phlegm for almost 8 months and I hear wheezing g sound on my chest when I breath.?

See your doctor! This is not ok. If you are wheezing and coughing up mucus, you may have chronic asthma, which if left untreated, can be life-threatening. Of course, there are many other possible causes for the cough, especially if you have smoked, and you need an evaluation and possible chest x-ray as soon as possible. Read more...