1. Avoid contact with suspicious allergens, such as milk, fish, shrimp, crab, mutton and seafood. Or for suspicious food, under close observation, start from a small amount and gradually increase. The diet should be light, nutritious, easy to digest and absorb, and avoid some improper eating practices.

2. Allergic purpura diet should not be greasy, and each meal should not be too full, so as not to increase the burden on the gastrointestinal tract and induce or aggravate gastrointestinal bleeding.

3. If the child suffers from Henoch-Schonlein purpura, it is necessary to strictly control the diet and not eat or eat less food that is easy to get angry. Only eat vegetarian food in the acute stage, and try not to eat mushrooms, fungus, potatoes, tomatoes and other foods. After purpura stabilized, I gradually began to eat lean meat, eggs, milk, mushrooms and so on. , gradually add one by one.

Extended data Henoch-Schonlein purpura (Henoch-Schonlein purpura), also known as self-limited acute bleeding, is an allergic vasculitis that invades arterioles and capillaries of skin and other organs. The pathogenesis may be pathogen infection, some drugs, allergies, etc. This leads to the formation of IgA or IgG circulating immune complex in the body and deposits on the capillaries of the upper dermis, thus causing vasculitis.

The main manifestations are purpura, abdominal pain, joint pain and renal damage, but platelets do not decrease. Some people think that allergic purpura and allergic cutaneous vasculitis belong to the same pedigree disease. This disease is the most common vasculitis in childhood, especially in school-age children. The common onset age is 7 ~ 14 years old, and 1 year old infants are rare.

Reference materials? Baidu encyclopedia allergic purpura