Friday, February 27, 2009

Milk allergy



People who do not have a milk allergy May think it is easy to avoid eating foods made from milk or dairy products. Just say no to ice cream and pizza, right? (Yes, it's easy).

But many foods are made with milk and milk products these days that people have allergies to milk attention to what is in almost everything we eat. And milk allergy is not the same as lactose intolerance - some people with food allergies can become suddenly and seriously ill if they eat or come into contact with food they are allergic to a.

Some foods that contain milk are obvious, like pizza. But others, such as baked goods, may not be so obvious. In addition, teenagers need calcium and vitamin D, which a lot of milk, because their bones are still growing. What should a person who is allergic to milk? Read on to find out.
What happens when a person has an allergy to milk?

People who are allergic to cow's milk react to one or more of the proteins inside. Curd, the substance that forms chunks of milk contains 80% milk proteins, including several called caseins (pronounced: kay-seenz). Whey (pronounced: way), the watery part of milk, has the remaining 20%. A person may be allergic to proteins in one or both sides of the milk.

When a person is allergic to milk eats a food containing dairy products, the body's immune system mistakenly sees the milk protein as dangerous "invaders." The immune system responds by creating specific antibodies, which are intended to fight against the "invaders". These antibodies - called immunoglobulin E (IgE) - trigger the release of certain chemicals in the body, one of which is histamine (pronounced: hiss - TUH-Méen).

So when a person with a milk allergy eats a food containing milk, the immune system triggers an army of chemicals to protect the body. The release of these chemicals can affect the respiratory system, gastrointestinal, skin and cardiovascular system - causing allergy symptoms like wheezing, nausea, headache, stomach pain, hives and itching.

The milk allergy is the most allergic reactions to food: Usually occurs within minutes to several hours after eating foods containing milk protein. Most reactions last less than a day and may affect one of three body systems:

* The skin - red, full of rashes (hives), eczema, or redness and swelling around the mouth
* The gastrointestinal tract - in the form of belly cramps, diarrhea, nausea or vomiting
* Respiratory tract - symptoms can vary from a runny nose, itchy, watery eyes, sneezing and the triggering of asthma with coughing and wheezing

Most people have reactions mentioned above, but some people may have a very strong reaction called anaphylaxis (pronounced: ah-Nuh-Fuh-lak-sis). This severe allergic reaction causes swelling of the mouth, throat and airways leading to the lungs, resulting in an inability to breathe. There is also a dangerous drop in blood pressure, which can make someone dizzy or faint, and can rapidly lead to shock.

The people often confuse milk allergies with lactose intolerance because people can have the same kinds of things that happen to them (like stomach pain or swelling, for example), with two conditions. But conditions are not related. The milk allergy is a problem involving the immune system, but lactose intolerance with the digestive tract. For someone who is lactose intolerant, the digestive system does not produce enough of the enzyme needed to break down sugar in milk.
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