Joint allergic purpura has a good prognosis. After effective treatment, the swelling and pain of the joint can subside in about 3-5 days, and there is no sequelae after remission. However, we should be alert to its recurrence tendency and strengthen the prevention link. The main principle of prevention is to find possible allergens (such as upper respiratory tract infection).

First of all, we must fast all kinds of allergic foods. Food allergy is one of the main causes of this disease. Protein in many foods can cause allergic purpura. These foods mainly include fish, shrimp, crabs, eggs, milk, broad beans and pineapples. Once a patient finds an allergic reaction to a certain food, he should ban it for life, and at the same time, he should not use cookware and tableware that have been exposed to it. In addition, patients with allergic purpura had better not eat anything they haven't eaten.

Secondly, patients with Henoch-Schonlein Purpura are often anemic due to excessive bleeding, so they need to eat more foods rich in protein and blood to supplement their needs. These foods mainly include lean meat, eggs, animal liver, kidney, spinach, tomatoes, kelp, laver, fungus, jujube, beans and their products.

In addition, people should eat more foods rich in vitamin C, which can reduce the permeability and fragility of capillaries, and patients will benefit from eating more of these foods. Foods rich in vitamin C include grapefruit, oranges, oranges, apples, lemons, strawberries, kiwis, tomatoes and various green leafy vegetables.

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