What Happens in Your Lungs During an Asthma Attack

Discover what happens in the lungs during an asthma attack, including bronchi changes, mucus buildup, airway narrowing, and lung inflammation, plus how treatment helps protect breathing. (Credit: Pixabay, Ralphs_Fotos)

Asthma attacks change how air moves through the lungs in specific ways by tightening the bronchi, increasing lung inflammation, and producing more mucus, which all lead to airway narrowing and difficult breathing. During an attack, these changes mainly affect breathing out, so air becomes trapped in the lungs and the chest can feel tight and heavy.

What Happens in Your Lungs During an Asthma Attack