Allergy – Causes and Symptoms

An allergy can be defined as the hyperactive response taking place in the immune system when subjected to a foreign substance. The substance which causes allergies is termed as allergens. There are so many types of allergens such as food, dust, pollen and so on. The allergy treatments are directed at suppressing the functioning of immune system with steroids. Drug and sting of insects can also be considered as one of the allergens for producing the respiratory allergy. In short, we can say that allergies occurs when the immune systems gives a wrong signal.

The allergies may cause so many kinds of side effects, which may worsen the person's health. Allergies are more common during the winter and spring season.

Mostly in children, the consumption of fat forms an important reason for developing the allergic disease. The fatty acids such as margarine are considered to endorse the prostaglandin E2 formation which in turn will affect the immune system thereby enhancing the allergic reactions. Butter is the best example for the margarine fats.

Running nose is one of the mild effects of allergy which turns into asthma in the worst cases. Asthma occurs when the dust or pollen are inhaled into the lungs. Pollen allergies are considered to be seasonal allergens .The harmless reaction occurs mostly in the non-allergic people. The other symptoms of allergies are redness in the eyes, blurred vision and itchy eyes which increases the amount of tears. There are so many researches conducted for finding out the allergy treatments. In most cases, the treatments are given by blocking the response of the immune system.