Allergy

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Written by Wang Xiang Li
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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Written by Deng Bang Yu
Otolaryngology
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Have you checked for allergens for allergic rhinitis?

Allergic rhinitis is a disease characterized by an allergic reaction to external substances. Since it involves allergies to external substances, it is necessary to identify what triggers the allergy, generally requiring an allergen test. Without testing the causes of allergies, the treatment is merely based on experience or a clinical diagnosis lacking in etiological understanding, which is insufficient from a pathological perspective. Moreover, after identifying the allergens, medication can be tailored according to the allergens, or general advice can be given to the patients, such as avoiding certain allergy-inducing substances. For instance, mangoes are commonly known to trigger allergies, and so are fish and seafood, thus specific guidance can be provided to avoid consuming certain foods.