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If the child has a reaction to certain foods or foreign agents, allergy antigen testing plays an important role in identifying the causative agent, thereby providing appropriate treatment for the child. .
1. Overview
1.1. Allergens Allergic reactions usually form when the immune system overreacts to surrounding agents such as food, drugs, chemicals, air....These agents (allergens) usually enters the body through:
Respiratory tract (inhalation); Injection route (injection into the body); Skin (apply to skin, touch...); Digestive tract (eating, drinking...). If you notice that your child has symptoms of an allergy such as: Dermatitis, sneezing, runny nose, difficulty breathing, cough, itching, red eyes, etc., contact your pediatrician or allergist for advice and advice. specific support.
1.2. Pathogenesis The human immune system consists of two main factors involved in the formation of an allergic reaction: IgE antibodies and T lymphocytes.
IgE antibodies: Often cause acute allergic reactions after children drink, eat, inhale or touch an allergen. Tends to be immediate and immediate (within minutes to 2 hours). Common manifestations are urticaria, wheezing, vomiting, diarrhea or, worse, anaphylaxis. Often referred to as “acute allergy”. T-lymphocytes: This is the name of a type of white blood cell in the blood. Usually an allergic reaction does not manifest immediately, but will appear after 24 hours. Symptoms of this allergy are red eczema (dermatitis), vomiting, loose or bloody stools. Often referred to as “late allergy”. Thus, in order to diagnose the cause of acute allergy in children, it is necessary to identify IgE antibodies specific to the allergen that causes allergies in children. If the child has late allergic symptoms, it is normal not to see IgE antibodies in the child's blood. In this case, the child can have a skin test or stay away from the allergens that cause allergies..
Phản ứng dị ứng thường hình thành khi hệ miễn dịch phản ứng quá mức với các tác nhân xung quanh như: thức ăn, thuốc, hóa chất, không khí...
2. Diagnosis of allergies in children
To diagnose allergies in children, families can give children a variety of tests such as: skin test, blood test, patch test, subcutaneous injection... Testing can be done at any age, but many allergy tests can be inaccurate if the child is too young. The doctor may then consider ordering the Rida panel 4 test, which is an allergen antigen test specifically for children.
3. What is the Rida panel 4 test?
Rida panel 4 test is a form of blood test for allergen-specific IgE antibodies, often used to diagnose when children have symptoms such as hives, itching all over the body....Signs Other signs that also suggest allergies in children include: Rash, dermatitis, itching, eczema, red eyes, stuffy nose, sneezing, asthma, difficulty breathing, nausea and vomiting, abdominal pain, diarrhea...In terms of procedure, the Rida panel 4 test is similar to any other blood test. Your child will have a blood sample taken and sent to a lab for testing. Many allergies can be tested with just one blood draw and there is no risk of an allergic reaction. Results are usually available within a few days.
Xét nghiệm Rida panel 4 là hình thức test máu để tìm kháng thể IgE đặc hiệu với dị nguyên
In summary, allergy antigen testing is not a mandatory test but is recommended to help parents understand the child's body and know how to take better care of their child. In particular, if the child's father, mother or sibling has a history of allergies, the risk of the child developing it is higher. When children have allergies, the immune system will react to the agents (food, weather, environment ...) and find a way to eliminate them. If parents do not know where the cause comes from, handling can make the situation more serious. Therefore, it is necessary to take the child to a reputable hospital to be examined and treated by a specialist. Currently, the Pediatrics Department at Vinmec International General Hospital is the address to receive and examine the diseases that infants and young children are susceptible to: viral fever, bacterial fever, otitis media, inflammation With a system of facilities, modern medical equipment, sterile space, minimizing the impact as well as the risk of disease spread, Vinmec will bring satisfaction to customers. Customers and experts in the industry are highly appreciated by:
Gathering a team of leading pediatricians: including leading experts, with high professional qualifications (professors, associate professors, doctorate, master), rich experience, worked in big hospitals like Bach Mai, 108.. The doctors are all well-trained, professional, have a heart - reach, understand young psychology. In addition to domestic pediatric specialists, the Department of Pediatrics also has the participation of foreign experts (Japan, Singapore, Australia, USA) who are always pioneers in applying the latest and most effective treatment regimens. . Comprehensive services: In the field of Pediatrics, Vinmec provides a series of continuous medical examination and treatment services from Newborn to Pediatric and Vaccine,... according to international standards to help parents take care of their baby's health from birth to childhood. Advanced techniques: Vinmec has successfully deployed many specialized techniques to make the treatment of difficult diseases in pediatrics more effective: neurosurgery - skull, stem cell transplant blood in cancer treatment. Professional care: In addition to understanding children's psychology, Vinmec also pays special attention to the children's play space, helping them to play comfortably and get used to the hospital's environment, cooperate in treatment, improve the efficiency of medical treatment.
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