How to test for allergens in allergic asthma

Written by Yuan Qing

Pulmonology

Updated on September 26, 2024

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Allergic asthma is a subtype of bronchial asthma. As the name suggests, allergic asthma refers to asthma symptoms that are related to contact with external allergens, such as dust, pollen, dust mites, pet dander, etc. When these substances are inhaled into the trachea, they can trigger asthma symptoms. Clinically, when testing which substances a patient is allergic to, it is called allergen testing. Common methods include blood tests and skin prick tests, which can be combined for comparison to identify the allergens.

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How to Test for Allergens in Allergic Rhinitis

Allergic rhinitis is considered an autoimmune disease, mainly triggered by the body's immune response after contact with allergens, leading to related clinical symptoms such as itchy nose, runny nose, and sneezing. Generally, it is necessary to conduct an allergen test. Currently, there are mainly two methods for allergen screening. The first is the skin prick test, and the second is a blood test. Both methods are commonly used clinically. Relatively speaking, the skin prick test may induce higher risks of side effects or allergies. Some patients may need to undergo both tests and look at the results comprehensively, but most patients can choose one of the two.

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How to test for allergens in allergic rhinitis?

Allergic rhinitis is very common in daily life, and its main trigger is the inhalation of allergens in the air by patients. In the south, the allergens are mostly mite allergies, with an incidence rate of over 90%. In daily life, allergic rhinitis can also be caused by food, hair, pollen, and other allergens. The most common method to identify allergens for allergic rhinitis is the use of an allergen test kit, through a skin prick test to determine the patient's allergens and the degree of allergy, etc. A series of targeted anti-allergy treatments can then be carried out to achieve a cure for allergic rhinitis.

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Written by Xu Peng

Pulmonology

48sec

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What are the common allergens for allergic cough?

Common allergens for allergic cough include pollen, dust, dust mites, and seafood. If a patient is allergic to these allergens, they should avoid contact with them as much as possible. It is important to strengthen the body through regular exercise and a balance of work and rest. Increase nutrition and eat more high-quality, high-protein foods to enhance the body's resistance. Additionally, keep warm and avoid catching cold, especially during the winter and spring seasons when temperature differences between morning and evening are significant, and adjust clothing accordingly. Change unhealthy lifestyle habits: do not smoke, do not drink alcohol, do not stay up late, and avoid the dangers of secondhand smoke to protect lung function.

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Written by Li Xiao Lin

Emergency Department

1min 7sec

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If you are allergic to lobster, will you be allergic to other seafood?

When allergic to lobster, consuming other seafood may also trigger allergies. Therefore, in terms of diet, besides avoiding lobster, other seafood, as well as fruits like mango, should also be avoided. Additionally, when outdoors, it's important to be mindful of the environment to reduce exposure to pollen that can cause allergies. It's also advisable to avoid spicy, sour, or pungent foods and yeast-containing products. Drinking more water and eating fresh vegetables and fruits is recommended. Engaging in regular exercise to strengthen the body can help reduce the frequency of allergic reactions. Furthermore, it is suggested to undergo further medical examinations at a hospital to identify specific allergens and prevent future allergic incidents that could pose dangers. If an allergic reaction occurs after eating, immediate oral administration of antihistamines such as cetirizine or loratadine is necessary to prevent worsening of the condition, or seek immediate medical treatment at a hospital. (Medication should be taken under the guidance of a physician.)

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Written by Zhu Zhu

Dermatology

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How to find allergens for skin allergies?

When skin allergies occur, the allergen is the root cause of the condition. Therefore, it’s essential to promptly identify the allergen. To find the allergen, it is recommended to conduct several tests such as patch tests, allergen screening, trichophytin tests, as well as provocation tests and slide compression diagnostic methods. Regardless of the method used, the approach varies from one individual to another.