This entry was posted on Friday, May 15th, 2009 at 7:35 am and is filed under General health. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.
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ALLERGIES TO FOOD – STRONG FAMILY HISTORY OF ALLERGIC DISORDERS
Parents with a strong family history of allergic disorders or whose older children have suffered from eczema or asthma due to milk, should seek expert advice if the new infant is to be artifically fed.
It is worth remembering that allergies do not develop from breast milk and this is one of the reasons why breast-feeding is to be encouraged.
Allergens tend to cause the production of a particular type of immunoglobulin in the blood. This is usually termed lg Á.
A new type of blood test called the RAST checks these immunoglobulins and determines to what substances the person is allergic. Unfortunately, the tests are not yet as accurate as we would wish and false results are still too common.
Skin sensitivity tests are widely used to determine allergies to pollens and dust and are accurate. However, it is not altogether a good means of testing for food allergies.
Many other tests are being tried but have not yet become acceptable.
For these reasons, the doctor will need to rely on the history of allergy to certain foods that can be supplied by the patient.
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