What reason is seasonal urticaria?

summary

Seasonal urticaria is type I hypersensitivity of skin and mucous membrane. It is caused by active mediators such as histamine released by mast cells and basophils. Its clinical manifestations are characteristic skin rash or gastrointestinal symptoms. When the climate changes, the temperature difference is great or the temperature is hot and humid, many people often have skin allergy. Seasonal urticaria is mostly caused by allergic mechanism. What reason is seasonal urticaria? Let's talk about it

What reason is seasonal urticaria?

1. Drug induced: the vast majority of drugs are caused by allergic reactions, common drugs are: penicillin, furazolidone, serum products, vaccines, etc. It has a certain latent period. Aspirin, morphine, atropine, vitamin B1, polymyxin and other drugs are histamine releasing agents, which can directly stimulate mast cells to release histamine and cause seasonal urticaria.

2. Food: mainly animal protein food, such as fish, shrimp, crab, egg, milk and other seafood are common pathogenic factors. Some fruits and vegetables can also be sensitized. Seasonings, preservatives and pigments in food, and natural or synthetic substances in food, such as salicylic acid and citric acid, can also cause seasonal urticaria.

3. Inhale animal dander, pollen, fungal spores, dust, feathers, etc. Such as bacterial infection, fungal infection, viral infection, parasitic infection can cause. Such as mosquitoes, fleas, bees, wasps and other insects.

matters needing attention

Seasonal urticaria this disease or suggest patients to use traditional Chinese medicine treatment, because this treatment method will be relatively safe, and patients with seasonal urticaria also need to accept anti allergy treatment and antibacterial treatment. Strive to improve their own allergic constitution as soon as possible, which is also very important for the prevention of seasonal urticaria.