What Is Allergy ?

Allergy occurs when a person’s immune system reacts to substances in the environment that are harmless for most people. These substances are known as allergens and are found in house dust mites, pets, pollen, insects, moulds, foods and some medicines.

Atopy is the genetic (inherited) tendency to develop allergic diseases. People with atopy are said to be atopic.

When atopic people are exposed to allergens they can develop an immune reaction that leads to allergic inflammation (redness and swelling).

This can then cause symptoms in the:

nose and/or eyes – hay fever (allergic rhinitis/conjunctivitis)
skin – eczema, hives (urticaria)
lungs – asthma
A substance that is an allergen for one person may not be for another – everyone reacts differently. The likelihood (or risk) of developing allergies is increased if other family members suffer from allergy or asthma.

Allergy to any person at any age and can be anything. Allergy attack victim on the face are extremely troublesome. Sometimes, home, college or office because of allergies is simple to work hard and also have the feeling of embarrassment.Allergy varied causes, symptoms and diagnosis for more information read our article – To avoid allergic reactions is extremely important to find out the causes of allergies. due to allergies, symptoms and diagnosis!