What Causes Chronic Urticaria?
Aug 24, 2022
Source: Cainiu Health
Dr. Liu Wan
Introduction
Chronic urticaria may be triggered by intense light, skin pressure, or environmental stimuli such as extreme cold or heat. Additionally, frequent skin friction can also provoke an allergic reaction. Improper diet is another common cause of urticaria—foods rich in protein, such as fish, shrimp, crab, meat, and eggs, are frequent culprits. Certain fruits, like mangoes, may also induce cutaneous allergic reactions leading to urticaria.
Urticaria is a classic allergic disorder, most commonly triggered or exacerbated by exposure to allergens; therefore, it is often difficult to achieve complete cure. Only by completely eliminating the allergen and identifying the underlying cause can this condition be treated at its root. However, many individuals remain unaware of the specific causes of their urticaria, making effective control challenging. So, what causes chronic urticaria?
Causes of Chronic Urticaria
Chronic urticaria may be induced by intense light exposure, skin pressure, or environmental stimuli such as extreme cold or heat. Additionally, frequent skin friction can also provoke an allergic reaction. Improper diet is another common trigger—for instance, high-protein foods like fish, shrimp, crab, meat, and eggs. Certain fruits—such as mangoes—may also provoke cutaneous allergic reactions leading to urticaria. Insect bites (e.g., from ants, fleas, or mosquitoes) can elicit allergic responses in susceptible individuals. Similarly, contact with butterflies, ladybugs, or moths may also trigger skin allergies.
Urticaria is an extremely common dermatological condition affecting numerous individuals. In some cases, it arises from specific allergens; in others, it results from genetic predisposition or various other contributing factors. Although classified as a skin disorder, urticaria encompasses multiple subtypes, each with distinct etiologies. One subtype—hereditary urticaria—is also known as familial cold urticaria. Individuals affected by this form invariably have a family history of the condition, typically manifesting in preceding generations. Indeed, allergic reactions are commonplace in daily life: many people experience hypersensitivity to certain foods or other substances, accompanied by characteristic allergic symptoms that may precipitate urticaria.
Dietary recommendations include consuming light, bland meals and increasing fluid intake. Spicy foods—such as Sichuan pepper, black pepper, and fried items—should be minimized. High-protein seafood—including lobster, crab, soft-shelled turtle, wasp larvae, and fish—should also be limited. Furthermore, alcohol, strong tea, and coffee should be avoided. We hope this information proves helpful to you.
