What is it?

A lung disease in which there is intermittent narrowing of the bronchi (airways), causing shortness of breath, wheezing, and cough.
When illness starts?

The illness often starts in childhood but can develop at any age. At least 1 child in 7 suffers from asthma.
During an asthma attack

During an asthma attack, the muscle in the walls of the airways contracts, causing narrowing.
Asthma attack effect on lining

The linings of the airways also become swollen and inflamed, producing excess mucus that can block the smaller airways.
Allergic type of asthma

allergic
Type of asthma tends to occur in childhood and may develop in association with eczema or certain other allergic conditions such as hay fever (see rhinitis, allergic).
Allergens

Some substances, called allergens, are known to trigger attacks of allergic asthma. Include pollen, house-dust mites, mould, and dander and saliva from furry animals such as cats and dogs.
What provoke on provoke an allergic asthmatic reaction?

Rarely, certain foods, such as milk, eggs, nuts, and wheat, provoke an allergic asthmatic reaction
From what people are sensitive?

Some people with asthma are sensitive to aspirin, and taking it may trigger an attack.
1st attack of Asthma

The 1st attack is sometimes brought on by a respiratory infection.
Factors that can provoke attacks

Factors that can provoke attacks in a person with asthma include cold air, exercise, smoke, and occasionally emotional factors such as stress and anxiety.
Effect of industrial pollution

Industrial pollution and exhaust emission from motor vehicles do not normally cause asthma, they do appear to worsen symptoms in people who already have the disorder
0 responses on "Asthma- intermittent narrowing of the bronchi"