Wheezing can occur when inhaling and exhaling air, a condition referred to as mixed wheezing. The intensity of wheezing can vary. It may be audible only through a doctor’s earpiece or loud enough for anyone nearby to hear.
Inspiratory wheezing (so-called stridor) occurs when the upper respiratory tract is narrowed at the level of the throat, larynx, or upper part of the trachea. Expiratory one (so-called wheezing) occurs when the lower sections of the respiratory tract are narrowed.
Wheezing is not specific to one disease. It can accompany conditions, ranging from common respiratory infections like whooping cough to chronic diseases such as asthma. If the cause of sudden wheezing is unknown, it is significant to see a doctor.
