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What Is Allergy?

The term allergy is used to describe any malfunction of human immune system causing a serious reaction against normally harmless substances in a natural environment. Such substances are called allergens. The allergic reaction causes eczema, hay fever, asthma and many other conditions which are commonly referred to as allergies. Skin allergies are most common.

Special Issues and Considerations of Asthma

Asthma is basically an inflammatory disease and condition of bronchial air passage ways. Due to this inflammation, there is an excessive function of bronchial airways, which then become over-active, producing increased mucosal swelling, mucous and a muscle contraction.