What should I do if allergic purpura causes vomiting?

Written by Yang Ya Meng

Rheumatology

Updated on December 09, 2024

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Patients with allergic purpura who experience symptoms of vomiting need to be highly vigilant to determine if it is the gastrointestinal type of allergic purpura. In addition to observing the vomiting, we also need to check for symptoms such as abdominal pain and diarrhea in the patient. Regarding treatment, we need to consider the use of corticosteroids. If the patient’s condition allows, immunosuppressants might also be needed. Dietary considerations are also very important; first, it is essential to maintain a light, liquid diet, avoid spicy or tough foods to manage the vomiting symptoms associated with allergic purpura. (The use of medications should be under the guidance of a professional doctor.)

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Written by Li Jing

Rheumatology

1min 16sec

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Can allergic purpura be cured?

Allergic purpura mainly occurs in adolescents and children, often in the spring and autumn seasons, and is typically related to bacterial infections, viral infections, and allergies to medications and foods. The most common clinical symptoms include bruises on both lower limbs, bleeding, black stools, joint pain, and abdominal pain. Upon the appearance of bruises on the lower limbs, it is recommended to complete routine blood tests, erythrocyte sedimentation rate, and autoantibody tests to rule out other autoimmune diseases causing skin bruises. During the acute phase, it is necessary to rest in bed, drink plenty of water, and eat a light diet. If there are only simple skin bruises, these may resolve after rest. However, if joint pain, bloody stools, and black stools occur, formal and active treatment is required, as these symptoms will not resolve on their own. Additionally, the presence of blood or protein in urine suggests kidney involvement, indicating that the condition has worsened.

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Written by Yang Ya Meng

Rheumatology

1min 3sec

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Does allergic purpura cause itchy skin?

The skin of patients with allergic purpura generally does not show symptoms of itching, although it is called allergic purpura. However, the main clinical manifestations are inflammation of the capillaries at the extremities of the lower limbs, accompanied by a characteristic rash, without noticeable symptoms of skin itching. If a patient with allergic purpura also has symptoms of skin itching, it may be necessary to consider whether there is a concurrent allergic dermatitis or similar condition. Besides the typical purpuric rash on both lower limbs, some patients with allergic purpura may also experience nausea, vomiting, diarrhea, and these symptoms are referred to as the gastrointestinal type of allergic purpura. Some patients may experience joint pain, which belongs to the joint type of allergic purpura, and others may present with proteinuria, which belongs to the renal type of allergic purpura.

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Written by Li Jing

Rheumatology

1min 13sec

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Precautions for Allergic Purpura

Allergic purpura is a common allergic disorder, also known as vasculitis, and occurs more frequently in adolescent males. Adults can also be affected, but it is less common, and the majority of cases are due to infections, such as bacterial, viral, or parasitic infections. Food or drug allergies are also part of the causes of allergic purpura. For adolescents who develop allergic purpura, infections should be considered first, followed by allergies. It's important to maintain a light diet, drink plenty of water, wear a mask when going out to prevent upper respiratory infections, and control the intake of high-protein foods such as fish, shrimp, eggs, milk, and lean meat. As for fruits, including mangoes, some people can be triggered to have allergic purpura, especially fruits they have not been exposed to before; it's best to minimize contact with unfamiliar fruits to avoid inducing an allergic purpura attack.

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Written by Yang Ya Meng

Rheumatology

47sec

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Symptoms of allergic purpura

Allergic purpura, which we generally divide into four types. The first type is the mildest, often primarily characterized by purpuric rash-like skin manifestations. The second type we call allergic purpura arthritis type, where patients, in addition to the typical rash, also experience joint pain symptoms. The third type we refer to as the renal type of allergic purpura, where patients often present primarily with hematuria and proteinuria, and urine tests typically indicate positive urinary protein. The fourth type we call the abdominal type of allergic purpura, where patients suffer from nausea, vomiting, abdominal pain, and diarrhea as their main clinical manifestations.

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Written by Yang Ya Meng

Rheumatology

54sec

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Mild symptoms of allergic purpura

Allergic purpura mainly includes three pathological types. The symptoms of the mild type mainly involve changes in the skin, primarily purpura-like rashes around the lower legs and ankle joints. If there are only skin lesions, it is considered a very mild case of allergic purpura. Additionally, more severe cases may involve kidney impairment, such as the presence of protein in the urine. Some patients primarily experience joint pain, also known as the arthritic type. Another group of patients presents mainly with sudden abdominal pain, primarily known as the abdominal type. Therefore, mild symptoms of allergic purpura might just be typical rashes. As long as there is no involvement of the visceral system, it is considered relatively mild.