Urticaria is a limited edema, or hives, of the skin mucosa due to a temporary increase in vascular permeability. It is not appropriate for patients to eat certain animal proteins, fruits, vegetables and other foods that may induce or aggravate the condition.
Urticaria manifests as bright red or pale white mass-like elevations of varying sizes, accompanied by marked itching. Its etiology is complex and can be categorized into two types according to the causative factors: endogenous (psychogenic factors, infectious factors, systemic diseases, etc.) and exogenous (food, drugs, physical factors, etc.).
Certain foods may be the cause of exogenous urticaria, such as fish, shrimp, crab, milk, eggs and other animal proteins, strawberries, lemons, mangoes and other fruits, peanuts, yams, walnuts and other vegetables, part of the urticaria may also be associated with preservatives, antioxidants, artificial coloring and other food additives, food urticaria patients should try to avoid eating these foods.
It is recommended that patients with urticaria seek timely medical attention in order to clarify the cause of the disease, under the guidance of the doctor for targeted treatment.