Video: An asthma attack – Mayo Clinic

When you might be not acquiring asthma symptoms, your airways are clear. Air can very easily circulation in and out of your lungs.

When an asthma attack commences, the sleek muscle tissues all over the outside of the tubes may tighten. The airways, or bronchial tubes, in the lungs develop into inflamed and swollen.

This makes it difficult for air to move as a result of the opening. The mucous membrane lining in the tubes commences to create thick mucus, which builds up and even more blocks the airways.

This tightened airway may final result in a wheezing seem and shortness of breath — indications and symptoms of an asthma attack.