Wheezing is a high-pitched whistling sound that occurs when you breathe, typically during exhalation but sometimes also when inhaling. It happens when the airways become narrowed or obstructed due to inflammation, mucus buildup, or muscle tightening. Common causes of wheezing include asthma, chronic obstructive pulmonary disease (COPD), bronchitis, allergies, and respiratory infections. Want to pass your TMC Exam? Click the link in our bio and join us! Save this post now for future reference! #T