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Disease Symptom Tips :: Allergy Induced Asthma
Allergy Induced Asthma: Allergy Induced Respiratory Problems and Asthma Are a Reality
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Allergy induced asthma is very common and there are many factors that can trigger asthma in susceptible individuals. Inhalant allergy is one of the main causes of asthma. It is estimated that two-thirds of all asthma may be a result of inhalant allergies. This allergy may also coexist with other causes of asthma.
How Allergy Induced Asthma Occurs
Allergen exposure can be indoors, outdoors, seasonal or perennial. It does not take much exposure to inhale an allergen that can cause or set up an asthma attack. Wheezing can start very quickly upon exposure to an allergen.
It has historically been a raging debate between pulmonologists and allergists regarding how a single minute allergen exposure may result in asthma which, if untreated, could go on for a long period.
For example, someone who is allergic to cats and visits a home with cats for just a few minutes can leave with an asthma attack and though exposure to the cats has stopped, the asthma attack will continue. It's clear that allergy is a potent trigger of asthma.
Once triggered, even in the absence of the allergen, the allergic reaction brings about a cascade of immunological changes. It manifests in the invasion of inflammatory cells and in the release of potent chemicals into the airways of the lungs.
The inflammatory response goes on and on. In some patients, the initial allergic reaction and the delayed inflammatory response (wheezing) can be as far as six to eight hours apart.
Testing for Allergens and Asthma
With the high percentage of people suffering from asthma that is caused by allergies, it's essential for every asthmatic patient to be tested for an allergy. An allergist should perform the testing. At that point, they can determine if the allergy is a significant cause of the individual's asthma.
It can also help in determining exactly what the patient is allergic to and can therefore help the patient avoid those allergens that can cause asthma attacks.
Should you find your physician is unwilling to refer you to an allergist for testing and consultation, you may want to move your care. Allergic asthma, also known as extrinsic asthma, is closely related to hay fever. Some experts look at them as possible the same condition, only a different part of the lining of the respiratory tract is involved.
Patients with extrinsic asthma have been reported to have hay fever 80 to 100 percent of the time. In these patients with nasal and lung allergies, nasal symptoms frequently precede airway symptoms. It also seems that patients with more severe allergic rhinitis have more severe asthma.
Because of the prevalence and harm that can be caused by allergy induced asthma, it makes sense to treat all respiratory tract allergies vigorously and completely.
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