Papular urticaria This disease is usually associated with flea, mite, mosquito bites or the consumption of certain foods such as fish, shrimp, beverages and digestive disorders. The cause of the disease is mostly related to fleas, mites, mosquito bites or the consumption of certain foods such as fish, shrimp, beverages and digestive disorders. Symptoms of the disease: 1. The rash is a soybean to peanut-sized edematous red puffy papules with papules or blisters, or even large blisters in the center. The number varies, scattered or clustered. 2, children are common. Prevalent on the extremities and trunk. 3.Often occurs in spring, summer and autumn. 4.Self-perceived severe itching, more so at night. 5. Fades in a few days, leaving pigmentation. It often occurs repeatedly in batches and gradually heals after a few weeks. The rash can occur again in the following year. There are no systemic symptoms, but a few may develop fever and leukocytosis secondary to infection such as impetigo, folliculitis and boils. 7. It should be distinguished from chickenpox and urticaria. Treatment and care 1. 1-2 kinds of antihistamines are taken orally. 2.Antibiotics can be used to treat secondary bacterial infection. 3.Topical medication: camphorated glyburide lotion, corticosteroid cream for external use. Observation and prevention 1.Find and remove the causative agent. 2.Avoid mosquito bites, avoid contact with animals and flowers.