Symptoms of asthma include episodic wheezing , cough, difficulty breathing, and chest tightness, which may be more pronounced during colds, at night, or with exercise. These symptoms respond to a bronchodilator medication. For more information about asthma, Click Here . When narrowing of the bronchial tubes is present, air often has more trouble leaving the lungs than entering the lungs. This causes the lungs of many babies with BPD to be over-inflated.
Overinflated lungs push down on the stomach.
This is called Gastro-Esophageal Reflux . Once these liquids have reached the mouth, they can be inhaled into the lungs. This is called Aspiration . Aspiration can lead to inflammation of the bronchial tubes and bronchospasm . Aspiration can also cause lung infection or pneumonia .