what causes a wheezing sound when lying down
Wheezing is a whistling sound that can be made while breathing that may be a symptom of an illness or other causes or conditions. If wheezing is accompanied with difficulty breathing, this may be a medical emergency. Wheezing may be a symptom of hayfever, COPD, asthma, acute bronchitis, bronchospasm, swelling in the airways, mucus in the airways, something stuck in the throat or a growth in the airway.