Giant urticaria

Urticaria is a skin disease with a very long incubation period in the human body. The reason why urticaria has a long incubation period is that after the patient is cured of urticaria, there is a high probability that urticaria will recur. There are many different types of urticaria, among which giant urticaria is a type that looks very scary. Compared with common urticaria, this type of urticaria affects a wider area and forms huge red rashes on the surface of the skin. What causes giant urticaria?

What causes giant urticaria?

1. Mental and endocrine factors: Mental stress, mood swings, some endocrine diseases, metabolic disorders, etc. can also induce giant urticaria.

2. Food allergy : It is a common cause of giant urticaria, such as fish, shrimp, crab, eggs, milk and other foreign protein foods. Next are chocolate, coffee, tomatoes, mushrooms, strawberries, whole grains (bean flour, buckwheat flour), condiments (chili, pepper, raw onions, raw garlic, vinegar), etc.

3. Inhalants: such as pollen, animal dander, feathers, dust, fungal spores, volatile gases, etc. These are mostly seasonal, occupational, regional, and may be accompanied by allergic rhinitis, asthma, etc.

4. Animals and plants: Such as mosquito, lice, flea, bedbug bites or wasp, bee, caterpillar, nettle and other stings that penetrate the skin and cause skin allergic or non-allergic reactions, resulting in a wheal-like rash. Giant papular urticaria is caused by insect bites.

5. Drugs: such as furazolidone, penicillin, sulfonamides, serum products, neomycin, etc. can cause allergic reactions and wheals. Secondly, drugs such as morphine, codeine, atropine, aspirin, etc. can directly stimulate mast cells to release histamine, resulting in wheal.

After reading the detailed introduction by the experts above, you should have some understanding of the causes of giant urticaria. Since giant urticaria can cause serious consequences to the patient's skin after onset, if it is not diagnosed and treated in time, it will lead to skin abscesses, ulcers and other problems. Therefore, when you suspect that you have giant urticaria in your life, you need to go to the hospital for examination as soon as possible.