How to find allergens for skin allergies?

Written by Zhu Zhu

Dermatology

Updated on September 15, 2024

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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.

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Emergency Medicine

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Alcohol allergy causes

Alcohol allergy, also known as ethanol allergy, occurs because normally, ethanol in the body is converted into acetaldehyde. People with alcohol allergies lack the enzyme needed to convert acetaldehyde, therefore cannot expel acetic acid from the body, resulting in acetaldehyde poisoning and various allergic symptoms. People who can consume large amounts of alcohol usually have a higher amount of this acetaldehyde converting enzyme, allowing them to quickly convert it without experiencing poisoning or allergic symptoms. Alcohol allergies are mostly linked to an allergic constitution; thus, individuals with this constitution will display various allergic symptoms upon exposure to alcohol, the allergen.

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Internal Medicine

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How to treat allergies?

Allergies are of various types, and it is essential first to identify and eliminate the allergen. Allergy immunotherapy can be given, or symptoms can be alleviated through allergy medications. It's crucial to target the treatment specifically, avoid re-exposure to allergens during treatment to prevent worsening of the condition. If there is an allergic reaction on the face, try to avoid using topical medications containing corticosteroid hormones. If the allergy is severe, it is recommended to seek investigation and management at a formal medical institution. In daily life, pay attention to diet and lifestyle, and avoid contact with allergenic foods.

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Written by Xu Peng

Pulmonology

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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

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Can drug allergies be tested for allergens?

Drug allergies do not require allergen testing because drug allergies are allergic reactions caused after taking medications, with fairly clear causes, eliminating the need for allergen testing. Allergens are the causes of allergic reactions. If the cause of an allergy is unclear, it is necessary to go to a hospital to check for allergens. The main focus of allergen testing includes food, pollen, etc., but this is unnecessary for medications. Commonly, skin testing can be conducted for medications to see if any allergic reactions occur. If there is an allergic reaction, the medication should not be used again. If the medication must be used, desensitization methods can be adopted to provide drug treatment.

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Written by Li Rui

Otolaryngology

42sec

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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.