Common causes of urticaria

The common causes of urticaria are exposure to allergens, infection, mental factors, etc.

1. Exposure to allergens

If a man is exposed to fish, shrimp, eggs, pollen, dust and other allergens in his life, it may irritate the skin and cause skin changes such as urticaria.

2. Infection

When infected with viruses, bacteria, fungi and other pathogens, it may cause the immune mechanism of the body, which is prone to skin changes and urticaria.

3. Mental factors are

too volatile for patients with mental stress, which may lead to abnormal autoimmune system and may cause abnormal skin manifestations.