{"id":8519,"date":"2025-02-14T06:12:18","date_gmt":"2025-02-14T04:12:18","guid":{"rendered":"https:\/\/medilab.km.ua\/?p=8519"},"modified":"2026-04-20T18:54:39","modified_gmt":"2026-04-20T15:54:39","slug":"this-analysis-is-the-key-to-understanding-allergies-and-the-immune-state-of-the-organism","status":"publish","type":"post","link":"https:\/\/medilab.km.ua\/en\/this-analysis-is-the-key-to-understanding-allergies-and-the-immune-state-of-the-organism\/","title":{"rendered":"IgE analysis: the key to understanding allergies and the body's immune status"},"content":{"rendered":"
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Each of us at least once in our lives has encountered a sudden runny nose, rash or itching after contact with certain substances. It can be pollen, animal hair, food or even medication. But what exactly causes such a reaction? Is it a one-time intolerance, or is the body still hypersensitive to certain allergens?<\/p>\n

Answering these questions helps IgE analysis<\/strong> \u2013 a test that determines the level of immunoglobulin E in the blood. This study is one of the most accurate methods for diagnosing allergies, since it is IgE that plays a key role in the development of allergic reactions. Moreover, an increased level of this indicator may indicate the presence of chronic inflammatory processes or even parasitic infections.<\/p>\n

What does elevated IgE in the blood mean? Is it always a sign of allergy? How to properly prepare for the test to get reliable results? Let's consider in more detail all aspects of this important analysis.<\/p>\n

What is IgE and why is it important?<\/strong><\/h2>\n

Immunoglobulin E (IgE) is an antibody that plays a key role in the development of allergic reactions. It is produced in response to the body's contact with potential allergens and activates immune cells, which cause the release of histamine and other inflammatory mediators.<\/p>\n

In normal conditions, the concentration of IgE in the blood is low, but in people with increased sensitivity to allergens, the level of this indicator can increase significantly. IgE is also involved in protection against some parasitic infections, so its increase is possible in helminthiasis.<\/p>\n

When to perform an IgE test<\/strong><\/h2>\n

A doctor may order this test in the following cases:<\/p>\n

    \n
  • Suspicion of allergy<\/strong> \u2013 if the patient frequently experiences rashes, itching, swelling, tearing, or respiratory symptoms.<\/li>\n
  • Diagnosis of bronchial asthma<\/strong> \u2013 elevated IgE levels may indicate the allergic nature of asthma.<\/li>\n
  • Anaphylaxis risk assessment<\/strong> \u2013 important for allergies to insect bites, medications or foods.<\/li>\n
  • Detection of parasitic infections<\/strong> \u2013 helminths can provoke an increase in IgE levels.<\/li>\n
  • Monitoring the effectiveness of treatment of allergic diseases<\/strong> \u2013 helps to assess the effectiveness of therapy and desensitization.<\/li>\n<\/ul>\n

    What are IgE tests?<\/strong><\/h2>\n

    There are two main types of IgE tests, each with its own purpose.<\/p>\n

    \n\n\n\n\n\n\n
    Analysis type<\/strong><\/th>\nWhat determines<\/strong><\/th>\nWhen used<\/strong><\/th>\n<\/tr>\n<\/thead>\n
    Total IgE<\/strong><\/a><\/td>\nDetermines the total concentration of immunoglobulin E in the blood<\/td>\nTo assess general susceptibility to allergies or immune disorders<\/td>\n<\/tr>\n
    Specific IgE<\/strong><\/a><\/td>\nDetermines antibodies to specific allergens (food, pollen, household)<\/td>\nTo accurately identify the allergen causing the reaction<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    \"Decoding<\/h2>\n

    What IgE levels are considered normal?<\/strong><\/h2>\n

    The level of IgE depends on age and individual characteristics of the body.<\/p>\n

    \n\n\n\n\n\n\n\n\n\n\n
    Age<\/strong><\/th>\nIgE norm (IU\/ml)<\/strong><\/th>\n<\/tr>\n<\/thead>\n
    Newborns<\/td>\n< 2<\/td>\n<\/tr>\n
    Children under 1 year old<\/td>\n0-15<\/td>\n<\/tr>\n
    1-5 years<\/td>\n0-60<\/td>\n<\/tr>\n
    6-9 years old<\/td>\n0-90<\/td>\n<\/tr>\n
    10-15 years<\/td>\n0-200<\/td>\n<\/tr>\n
    Adults<\/td>\n0-100<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    An increase in IgE levels does not always mean the presence of an allergy, so it is important to consider symptoms and other test indicators.<\/p>\n

    Causes of elevated IgE levels<\/strong><\/h2>\n

    The increase in this indicator may be caused by various factors.<\/p>\n

      \n
    • Allergic diseases<\/strong> \u2013 atopic dermatitis, bronchial asthma, hay fever.<\/li>\n
    • Helminthiasis<\/strong> \u2013 parasitic infections such as ascariasis or toxocariasis.<\/li>\n
    • Chronic inflammatory processes<\/strong> \u2013 for example, autoimmune diseases.<\/li>\n
    • Immunodeficiency states<\/strong> \u2013 disorders that affect the normal functioning of the immune system.<\/li>\n<\/ul>\n

      How to prepare for an IgE test<\/strong><\/h2>\n

      To obtain reliable results, you need to follow the basic recommendations:<\/p>\n

        \n
      • Take the test on an empty stomach<\/strong> \u2013 the last meal should be 8-12 hours before the test.<\/li>\n
      • Avoid physical exertion and stress.<\/strong> \u2013 they can temporarily increase IgE levels.<\/li>\n
      • Do not take antihistamines 3-5 days before the test.<\/strong> (if agreed with the doctor).<\/li>\n
      • Do not smoke or drink alcohol.<\/strong> 24 hours before the study.<\/li>\n
      • Do not perform the test during acute viral or bacterial infections.<\/strong> \u2013 this may affect the accuracy of the results.<\/li>\n<\/ul>\n

        How the analysis procedure works<\/strong><\/h2>\n

        Blood for testing is taken from a vein. The procedure takes a few minutes, and the results are usually ready within 1-2 days.<\/p>\n

        If IgE levels are elevated, your doctor may recommend additional testing, such as an allergen panel test or a helminthiasis test.<\/p>\n

        IgE analysis is an effective way to determine allergic sensitivity and the state of the immune system. Timely testing allows you to prevent complications and choose the right treatment, which significantly improves the patient's quality of life.<\/p>","protected":false},"excerpt":{"rendered":"

        Each of us at least once in our lives has experienced a sudden runny nose, rash, or itching after contact with certain substances.<\/p>","protected":false},"author":627,"featured_media":8520,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-8519","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"\nIgE-\u0430\u043d\u0430\u043b\u0456\u0437 \u2013 \u0449\u043e \u043f\u043e\u043a\u0430\u0437\u0443\u0454, \u043a\u043e\u043b\u0438 \u043f\u0440\u0438\u0437\u043d\u0430\u0447\u0430\u044e\u0442\u044c \u0456 \u044f\u043a \u043f\u0456\u0434\u0433\u043e\u0442\u0443\u0432\u0430\u0442\u0438\u0441\u044f<\/title>\n<meta name=\"description\" content=\"\u0414\u0456\u0437\u043d\u0430\u0439\u0442\u0435\u0441\u044f, \u0449\u043e \u0442\u0430\u043a\u0435 IgE-\u0430\u043d\u0430\u043b\u0456\u0437, \u044f\u043a 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