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Allergies
Date 03/05/11/11/26  Author Dr. Namrata Shah  Hits 2792  Language Global

Allergies occur when the body's immune system reacts to a normally harmless substance -- one that does not bother most people.


Allergies are becoming more and more common these days. The effects of allergies are also becoming more severe with time. Now people have different kinds of allergies, some have asthma, some have food allergy some have skin or dust allergy. Now they could be different in nature but before going for allergy treatment we should take some preventive measures. In this article we will know about Allergy & Food Allergy.

Allergy

Allergies occur when the body's immune system reacts to a normally harmless substance -- one that does not bother most people.

People who have allergies are often sensitive to more than one substance. Examples of allergens that cause allergic reactions include: 

 ·  Pollens

 ·  House dust mites

 ·  Mold spores

 ·  Food

 ·  Latex rubber

 ·  Insect venom

 ·  Medicines.

What is Foods Allergy?

An allergy to food is an abnormal response, triggered by the body's immune system. Symptoms can include itching in the mouth, vomiting, hives, and asthma. In some cases, the reaction can be so severe that it causes serious illness, or even death. Sometimes people suspect an allergy, when in fact they are experiencing another type of reaction called food intolerance. Treatment usually involves avoiding the food that triggers the allergic reaction.

At first glance the problem of allergies seems simple, and for most of us the solution is simple too: a handy drug like Zyrtec or Atrovent to treat the symptoms.

But maybe it's not so simple. We live in a nation where states have enacted legislation permitting asthmatic children to carry their inhalers to school (one in 13 must do so). A federal labeling law mandates manufacturers clearly state in plain English whether major allergens—peanuts, soy, shellfish, eggs, wheat, milk, fish, and tree nuts—are ingredients in any product. And Americans spend billions of dollars annually on antihistamincs to treat the symptoms of allergies.

Those of us over 40 don't remember having so much as a conversation about food allergies in school. Today 6 percent of young children have food allergies—and the number of those with potentially fatal peanut allergy doubled between 1997 and 2002. Children like Cameron sit at special tables at lunchtime; there are websites and support groups for parent’s homeschooling their severely allergic children.

Still, most allergies seem relatively innocuous. And it's true that more people believe they have allergies than actually do. For example, the gas and stomach pain of lactose intolerance? Not an allergy. But the rise in allergies is real. On a global level we need to better understand what's happening.

Here's how an allergy unfolds: One day, a body is exposed to a protein in something that seems perfectly harmless—the wheat flour, say, in a home-baked muffin. But for some unclear reason, the body looks at the protein and sees Trouble. There will be no symptoms at first, but the body is remembering—and planning.

That first exposure causes the immune system to produce an antibody called IgE (immunoglobulin E). Then IgE antibodies attach to certain cells, called mast cells, in tissue throughout the body. There they stay like wary sentinels waiting for war. With a second exposure, even months later, some of the allergen binds with the IgE on the mast cell. This time the mast cell releases a cascade of irritating chemicals: histamine, prostaglandins, and leukotrienes, which cause inflammation, work on nerve endings to make you itch, affect blood pressure and muscle contractions, and act on glands to cause mucus production and vasodilation, so you clog up.

A minor or isolated reaction can become chronic with repeated exposure to an allergen, or when other cells involved in the immune system, the T cells, come into play. Certain T cells remember the "insult" of the allergen and ensure that some part of the body keeps becoming inflamed. Often the allergen and the immune system become increasingly antagonistic, and the reaction worsens.

Sometimes, however (particularly with food allergies), the process is not gradual at all. Person had to have been exposed to the allergen at least once before for IgE to be attached to mast cells and ready to react, but once the reaction was triggered by a subsequent exposure, an anaphylactic crisis occurred immediately. An allergist's tests can show that person is severely allergic to fish, shellfish, mustard, sesame, peanuts, tree nuts, soy, dogs, cats, some antibiotics, mold, pollen, and dust mites. 

Not all allergies are deadly. But some are. Parents whose children don't have allergies tend to think that some parents are overly protective. Those parents haven't had a child come close to suffocation as some parent’s child had.

Every single day our body has to fight large amounts of allergens. Our immune system will lose some of these fights and you will notice a sneeze or an itch. Here is a list of some Basic Allergy Home Remedies that you could use to fight the allergens and keep your immune system in shape.

Treatment for Allergies with Nutrients

When we don’t eat healthy enough we might not get enough nutrients and this may cause allergens to pass through our system. There are some nutrients that could bring relief to an allergy, especially Pantothenic acids and B5 work very well. You should use this for a month and taking 100mg every day. Vitamin E taken in daily doses of 400mg for 4 to 6 weeks has also proven to be beneficial.

Castor Oil

When you have allergies in the intestinal, nasals or skin, Castor oil could be beneficial. Mix 5 drops of oil with some plain water of juice and take it every morning.

Treatment eating Limes

Limes are another home remedy against allergies. They have a very strong anti-allergen characteristic. It is almost effective against any type of allergic reaction. Squeeze half a lime into some water. You can sweeten it with sugar or honey. Take this every morning for several months to flush away the toxins. However, be careful if you are allergic to citrus fruits, because than it will bring more harm than good.

Eating a Banana

Eating bananas brings relief to some types of allergies. It works against skin rashes, asthma and some disorders in the digestive tract. However, just like limes, you have to be careful with bananas if you are allergic to it.

Vegetable Juice

It may not sound delicious, but carrot and cucumber juice are very effective in fighting allergic reaction in the body. If you drink half a litre of mixed carrot/ cucumber juice for several months daily, this is very beneficial to you immune system.

Off course there are many more home remedies that give relief in some kind against allergies. This article only gave some basic advice in allergy home remedies. If you have serious health problems you should always visit your physician first. These are home remedies and will help you fight allergies but may not solve all of them.

dr seema nigar alvi
Improvement of immune system is the best defence against allergies. This can be achieved effectively by intake of vitamin c in sufficient amount. Excess amount of this vitamin is excreted in urine so there is no danger of hypervitaminosis. Natural sources such as citrus fruits, should be preferred over the artificioal ones.
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Jun

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