Vesicular breath sounds are normal lung sounds heard during breathing. They are soft, low-pitched sounds that occur when air moves through the small airways and alveoli in the lungs. These sounds are typically heard over most of the lung fields during inhalation and are quieter during exhalation. These sounds are important for assessing lung health. A healthcare provider listens for vesicular breath sounds using a stethoscope to check for any abnormalities. Changes in these sounds can indicate conditions such as pneumonia or pulmonary edema, which may require further investigation or treatment.