Is allergen testing really that accurate? What should I pay attention to before testing?

The detection of allergens is generally accurate, but the detection is of common substances, and the detection of some special substances may not be so wide. Before the test, it is important not to take some anti-allergy medications, as well as drugs that suppress the immune system.

Allergen testing is certainly accurate. Pay attention to fasting testing before testing. And stop taking medicine three days before the test, otherwise the result will be affected.

I think that before the test, you must have an empty stomach, you can't eat, and then you can't drink water, and then you need to stop the drug three days before checking the allergen, otherwise it will affect the results of the allergen test, and the allergen test is very accurate.

Is it accurate to draw blood to test for allergens??In order to find out what they are allergic to, many people will go to the hospital for an allergen test, but many people find that they are not ......Why is that?

Is blood test accurate for allergen testing Blood test is currently the most accurate allergen testing method, but it also has certain limitations.

This method mainly detects two antibodies, IgE and IgG (two types of defense). Among them, IgE mainly dominates the immediate allergic reaction, which occurs quickly and reacts strongly, and everyone can know what causes the allergy even if it is not tested.

IgG mainly dominates delayed allergic reactions, and is mainly used for food intolerance testing to find out foods that cause chronic diarrhea, chronic rhinitis, etc., but cannot detect inhalation and contact allergens.

At present, there are more than 3,000 known allergens, and only about 300 can be determined to cause allergic diseases, so allergens are everywhere, and it is almost impossible to detect all allergens by relying on the above methods.

Although not all allergens can be detected, relatively speaking, blood sampling to detect allergens is the most commonly used method in clinical practice, and it is also relatively accurate.

Matters needing attention to in allergen testing: There are certain limitations in allergen testing, because in nature, there can be tens of thousands of allergens, and there are only dozens of common ones when we test, so there are certain limitations.

If you decide to get tested for allergens, there are a few things to keep in mind:

1.It is not detected in the acute phase of the disease, and because the cong itself is too sensitive at this time, it can have a severe allergic reaction to the reagent, and there is a greater chance of false positives.

2.Do not take antihistamines by mouth for two days before the test. Do not take glucocorticoids for the first 1 week.

Introduction: In recent years, with the change of lifestyle and environment, there is a trend of increasing allergic diseases in children. The pathogenesis of allergic diseases is complex and is thought to be closely related to genetics and environment.

Common allergies in children include food allergies, ** allergies, drug allergies, and environmental allergens. Babies with allergies. If you eat the food you are allergic to, the baby's life can be in danger if the condition is severe.

So, how do you check for allergens?

The most effective step in preventing allergies in children is to keep them away from allergens in the environment and food. Examples include potted plants, mites, pet hair, stuffed or long-haired toys, rugs and tapestries, etc. Parents of pollen and other allergens must help their children stay as far away as possible in their lives.

When it comes to toddler diets, babies under 1 year of age are best breastfed. Milk, shrimp, eggs, seafood and other isomeric protein foods should be carefully given to children. In addition, pregnant women should not eat foods containing allergens and should not be fed hypoallergenic hydrolyzed protein infant formula.

At the same time, the addition of non-staple foods should be delayed. Children should not engage in strenuous exercise in a dry, cold environment. Exercise should be done in a warm, humid or intermittent environment.

For children with allergies, parents don't have to worry too much. As long as you pay attention not to contact allergens in your daily life, as long as you are sick in time**, regular medication, most children will be cured.

Allergens are necessary to test, because in this way you can know the baby's physical condition, can avoid allergens well, can use other foods to supplement nutrition, so that the baby's body is better, if the baby is allergic, it is likely to cause problems in the baby's **.

It is definitely necessary to check, because after the examination is clear, we can avoid the baby's allergies, and then we will also remember that these foods will not be given to the baby in the future.

It is necessary to test, and this is how we can know the child's physique, and we can also know the child's ** situation, which can prevent the child's allergies.

It is still necessary to check the source of allergies for baby allergies, so as to avoid the pain caused by back-action.

There are many allergens, and you need to go to the hospital to check with an instrument.

1. Dust mites are one of the most intense allergens distributed worldwide.

The above recurrent cough, wheezing and dust mite allergies are related.

3. The ideal temperature for the growth of dust mites is 25, the humidity is 75%, less than 60% can not reproduce, and below 50% can not survive.

4. It mainly survives on dust, damp furniture, carpets and beds. Feeds mainly on human or animal dander.

5. Controlling dust mites and their allergens can reduce the incidence of disease. 6. Desensitization for dust mites is effective. It can avoid the deterioration of allergic levels (from rhinitis to asthma) and multiple allergies (from single allergies to allergies to multiple allergens).

Prevention & **.

1. Control the growth of dust mites, reduce the density of dust mites and avoid contact Prevent dust mite allergies by avoiding contact with dust mites

1. Clean the carpet: Do not lay carpets in wet areas. If you must use it, vacuum it once a week and change the pocket of the vacuum cleaner frequently. Do not use steam to clean the carpet, as this will leave moisture behind and encourage the growth of dust mites.

2. Clean the quilt: often dry in the sun, and use a portable vacuum cleaner to clean the dust on the surface of the quilt after drying, or brush the surface of the quilt with a soft-bristled brush to remove the floating dust.

3. Clean the pillow: wash it with 60 water for at least 20 minutes every few months. If you have asthma or allergies, buy a hypoallergenic pillow, preferably every two years.

2. Drug-based prophylaxis Drug-based prophylaxis is an important part of the prevention and treatment of allergic asthma of dust mites, and most of the asthma attacks induced by dust mites can be avoided through the appropriate and active use of certain drugs for prophylaxis.

I have a history of dust mite allergy for several years, and if you do have a dust mite allergy, the possibility of desensitization is already very small, but if you take proper precautions and pay attention to it, the chance of allergy will be greatly reduced. There are two main types of ** and preventive drugs that are commonly used:

1. Fu Shuliang, I believe that friends with allergic rhinitis will not be unfamiliar with this drug, the effect is very good, but it is not recommended to use it for a long time, it can be used during the allergic attack, and the allergic reaction is weakened or subsided.

2. Changdi dust mite drops, this drug is a new product in recent years, the product description can be completely desensitized, but it must be used for two years, I have been using it for more than a year, I feel that the effect is okay, I hope that it can be completely desensitized after 2 years, and get rid of the pain of dust mite allergy.

3. Strengthen self-exercise Because the body of a friend with dust mite allergy contains allergic factors, when the patient's physique and body immunity decrease, an allergic constitution is formed, and the ability to adapt to allergic substances decreases, resulting in allergic symptoms.

Through the method of exercising, you can enhance your physique, improve your immunity, enhance your ability to adapt to allergic substances, and also achieve the purpose of **. The specific methods are: morning exercise, running, fitness, increasing outdoor sports, and if the body allows, you can properly wash your face with cold water and take a cold bath to improve the body's tolerance to cold.

But be careful to wait until you don't sweat before washing, long-term persistence can also have a good effect.

Suggestion: For allergies that are often reversed, if conditions permit, it is recommended that you go to the hospital as soon as possible to do allergen testing and then avoid the reduction of suspected allergens**, or do desensitization**.

Note, to do for allergies that are often reversed, if possible, it is recommended that you go to the hospital as soon as possible to do allergen testing and then targeted to avoid the reduction of suspected allergens**, or do desensitization**Note, before doing allergen testing, it is required not to use any anti-allergic drugs, hormones, etc. within 7-10 days.