What causes a person to develop asthma?
Contact with allergens, certain irritants, or exposure to viral infections as an infant or in early childhood when the immune system isn’t fully mature have been linked to developing asthma. Exposure to certain chemicals and dusts in the workplace may also play a significant role in adult-onset asthma.
Do you know what triggers or causes asthma?
If you have asthma, it is important to keep track of the causes or triggers that you know provoke your asthma. Because the symptoms do not always occur right after exposure, this may take a bit of detective work. Delayed asthma episodes may occur depending on the type of trigger and how sensitive a person is to it.
How are the airways of people with asthma swollen?
People with asthma have swollen (inflamed) and “sensitive” airways that become narrow and clogged with sticky mucus in response to certain triggers. Genetics, pollution and modern hygiene standards have been suggested as causes, but there’s not currently enough evidence to know if any of these do cause asthma.
Why do I have shortness of breath when I have asthma?
Asthma is a condition in which your airways narrow and swell and produce extra mucus. This can make breathing difficult and trigger coughing, wheezing and shortness of breath. For some people, asthma is a minor nuisance.
What causes an asthma attack according to the Mayo Clinic?
Common asthma attack triggers include: Pollen, pets, mold and dust mites
What can trigger asthma symptoms?
An asthma trigger is anything that brings on coughing, wheezing, trouble breathing, and other symptoms in a person with asthma. Some common triggers include colds, smoke, cold air, exercise, and certain things that cause allergic reactions, such as dust mites or pollen.
What are the main causes and symptoms of asthma?
Symptoms of asthma can be caused by triggers. Common asthma triggers include: tobacco smoke, dust mites, air pollution, pollen, mold, respiratory infections, physical activity, cold air and allergic reactions to some foods .
How does a person get asthma?
Asthma is thought to be caused by a combination of genetic and environmental factors. Environmental factors include exposure to air pollution and allergens. Other potential triggers include medications such as aspirin and beta blockers.
What is the etiology of asthma?
Asthma is the result of chronic inflammation of the conducting zone of the airways (most especially the bronchi and bronchioles), which subsequently results in increased contractability of the surrounding smooth muscles.