4A85.21/T78.1 Food-induced urticaria or angioedema



Food-induced urticaria or angioedema is a type of allergic reaction caused by the ingestion of certain foods. Common triggers include peanuts, tree nuts, wheat, shellfish, eggs, and milk.


Diagnosis of food-induced urticaria or angioedema is based on a patient’s history and physical examination. A skin prick test or a blood allergy test can be used to confirm the diagnosis.

Differential diagnosis

Differential diagnosis includes other causes of urticaria or angioedema, such as contact dermatitis, autoimmune disorders, and drug allergies.


Treatment for food-induced urticaria or angioedema typically involves avoiding the food that causes the reaction and taking antihistamines or other medications to reduce the symptoms.


The prognosis of food-induced urticaria or angioedema is generally good. Most people can manage their symptoms with lifestyle modifications and medications.

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