Asthma is a disease that affects bronchi and small bronchioles that carry air to the lungs. There are several types of this disorder, the main among which is allergic (atopic) asthma.
Symptoms of atopic asthma are manifested under the action of allergens, that is, substances that are capable of triggering allergic reactions in the body, for example, pollen or spores of mold fungi. According to expert estimates, around the world, millions of people are suffering from certain manifestations of allergic asthma.
What happens in asthma?
Normally, air enters the body through the nose, trachea and bronchi, which enter the lungs and branch out in them. At the end of the bronchi are the smallest respiratory sacs called alveoli. It is through them that oxygen enters the bloodstream, where it is spread across all organs and tissues.
In the alveolus from the blood also comes carbon dioxide, which is formed as a result of the vital activity of the organism. When breathing, there is a relaxation of the muscles located in the walls of the respiratory tract, and the air can freely enter the lungs and exit from them. During an attack or exacerbation of bronchial asthma there are three processes that violate normal breathing: