[eczema] [atopic dermatitis] disturbing food allergiesWhat is food allergy?Food allergy is mediated by the immune system without adverse rea
[eczema] [atopic dermatitis] disturbing food allergies
What is food allergy?
Food allergy is mediated by the immune system without adverse reactions. The prevalence of food allergy in children was 6-8%, and the prevalence rate was 3.5-4%. The prevalence of food allergy in children with atopic dermatitis was about 40%, which was significantly higher than that of other children.
The most common type of food allergy has 2 types: the 1 speed hairstyle: -2 minutes after eating a few minutes to appear; the late type: after eating a few hours - a few days to appear.
Common manifestations of food allergy are divided into: digestive tract, respiratory tract, skin. Can act as nausea and vomiting, abdominal pain, diarrhea, cough, shortness of breath, dyspnea, can be manifested as skin itching, edema, wheal.
What is the most common source of food allergies?
The 8 most common types of food allergies are milk, eggs, fish, wheat, soybeans, peanuts, shellfish, nuts. Atopic dermatitis is the most common source of allergies: milk, eggs, wheat, soybeans.
How to diagnose food allergy?
The diagnosis of food allergy is very complex, requires the guidance of professional doctors, combined with a variety of diagnostic tools integrated analysis:
1 History: for example, as long as they observe the baby after eating eggs, skin redness, itching, which is an important clue to the diagnosis of fast food allergies.
2 diagnostic tests: skin prick test: will contain the common food allergens in the baby's forearm prick liquid separately, observe 20 minutes after the local skin has no irritation. The atopic skin patch test: a special fabric containing the common food allergens sticking on the back of the baby, after 48 hours, 72 hours of observation of local skin is red. Oral food provocation test: for a baby who had a serious food allergy reaction is a risk, must be in the custody of a regular hospital doctor. The serum specific IgE (sIgE) detection: when the baby is not widely dermatitis skin test, or in the highly sensitive state of the skin test has a certain risk, or baby taking anti allergy drugs affect skin test results, can be considered sIgE detection of venous blood pumping 2-3ml.
3 food avoidance: strictly avoiding suspicious food 2-4 weeks (less than 6 weeks), if dermatitis significantly improved, is highly skeptical of this kind of food allergy, continue to avoid, six months or a year later; if the dermatitis has not significantly improved, you can continue to eat.
How is food allergy treated?
1 avoid allergic foods. In the case of milk, milk and dairy products (yoghurt, candy, ice cream, cakes, etc.) are need to be avoided, and the choice of milk substitute. For real milk allergy baby, is not part of the use of hydrolyzed milk powder feeding (partially hydrolyzed milk powder is mainly used to prevent milk allergy). The market for soybean milk formula and goats'milk formula, baby is also likely to occur food allergy, therefore not recommended. The true milk allergy baby is recommended to use a deep hydrolysis milk powder feeding, which still has 10% of the baby can not tolerate, amino acid formula is the best choice at this time.
2 if you eat food allergies after skin itching erythema, you can take the anti allergy drugs under the guidance of doctors to relieve symptoms.
3 severe food allergies, it is necessary to immediately rushed to the hospital emergency department.
Food allergies can be good?
The baby's food allergies exist natural desensitization. For milk, eggs, wheat, soybeans, 80% allergic to the school-age children can improve. For peanuts, nuts, fish, crustaceans seafood, food allergies may last a lifetime.
Food allergy need to treat?
Food allergy with age will gradually transition to atopic dermatitis, allergic asthma, allergic rhinitis, allergic reaction to this with age gradually aggravated called allergic process, so can not be left unchecked, active treatment can improve the long-term quality of life of the baby.
Food allergy Tips
For eczema and atopic dermatitis in children, the cause of the disease is very complex, food allergy is only one of the factors that stimulate the increase. As doctors and parents, can not simply focus on the eyes of food allergies, only comprehensive treatment and care in order to protect the baby healthy and happy growth.
This article is authorized by Dr. Sun Chen, please do not reprint without authorization