Q What foods trigger urticaria? I'm in my 50s running a restaurant near Dongincheon market.
A Foods that commonly trigger urticaria include shellfish (shrimp, crab), nuts, eggs, milk, wheat, fish, and fruits (strawberries, kiwi). Food additives (sulfites, artificial colorings, MSG) can also be triggering factors. Keeping a food diary to identify the relationship between specific foods and symptom occurrence is important.
Detailed Answer
Food allergy is one of the common causes of acute urticaria. IgE-mediated food allergy is characterized by symptoms appearing within minutes to 1 hour after ingestion, making time recording important. In a restaurant environment, you handle various food ingredients, so cross-contamination (cross-contact) also requires attention. Blood serum specific IgE testing or skin prick testing can confirm the causative food.
Korean Medicine Perspective
In Korean medicine, fish, meat, eggs, shrimp, and other trigger foods (發物) are seen as inducing wind-heat, and these are recommended as dietary restrictions for urticaria-prone constitutions. Spicy and stimulating foods (chili, garlic, pepper), fried and greasy foods can promote stomach heat (胃熱) and worsen skin reactions. Dongjedang provides dietary guidance based on constitution.
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