Causes of urticaria

Urticaria is a disease that seriously affects people's health. If the disease cannot be cured as soon as possible, it will cause great harm to your body. However, when we treat stubborn diseases like urticaria. We must also understand the cause of urticaria, otherwise it will still cause unnecessary harm to our bodies.

Physical factors are also a cause of urticaria. The main reason for this disease is fear of heat, cold, sunlight, mechanical stimulation, etc. There are many causes of urticaria, the main one being seasonality.

Food: It is a common cause of 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.

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 and cause wheals. In clinical disease classification, these should be classified as urticarial drug eruptions.

Inhaled substances: 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.

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. Papular urticaria is caused by insect bites.

There are actually many causes of urticaria. When we treat diseases like urticaria, we must understand the causes of urticaria. When we get such a disease, we can only recover from the disease as soon as possible by paying more attention to the cause of urticaria, paying attention to the care of the disease, and cooperating with the treatment of the disease.