What is the main term for acute bronchitis?

The main term for acute bronchitis is tracheobronchitis, which refers to the inflammation of both the trachea (windpipe) and bronchi (large airways) of the lungs. It's a common respiratory condition often caused by viral infections, such as the common cold or influenza. The inflammation leads to increased mucus production, causing symptoms like coughing, wheezing, and chest discomfort.