What can people with allergic purpura eat?

Written by Li Jing
Rheumatology
Updated on August 31, 2024
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Firstly, allergic purpura commonly occurs in adolescents and children, mainly between the ages of 5 to 14, and is frequent during the spring and autumn seasons. The most common causes of allergic purpura are infections, drug and food allergies, with infections being the most prevalent cause, such as bacterial, viral, and parasitic infections. Allergic purpura cannot be cured and often relapses. During the acute phase, it is primarily recommended to rest in bed, and to eat a light diet. It is advisable to consume fresh fruits and vegetables, such as oranges, grapes, grapefruits, and kiwis, which are rich in vitamin C, as well as various green leafy vegetables. These foods, rich in vitamin C, are beneficial for recovery and good for the body. Additionally, foods like seafood and mangoes, as well as previously untried fruits and foods, are not recommended during this phase to avoid triggering allergic reactions or worsening the condition.

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Written by Li Jing
Rheumatology
1min 8sec home-news-image

What can people with allergic purpura eat?

Firstly, allergic purpura commonly occurs in adolescents and children, mainly between the ages of 5 to 14, and is frequent during the spring and autumn seasons. The most common causes of allergic purpura are infections, drug and food allergies, with infections being the most prevalent cause, such as bacterial, viral, and parasitic infections. Allergic purpura cannot be cured and often relapses. During the acute phase, it is primarily recommended to rest in bed, and to eat a light diet. It is advisable to consume fresh fruits and vegetables, such as oranges, grapes, grapefruits, and kiwis, which are rich in vitamin C, as well as various green leafy vegetables. These foods, rich in vitamin C, are beneficial for recovery and good for the body. Additionally, foods like seafood and mangoes, as well as previously untried fruits and foods, are not recommended during this phase to avoid triggering allergic reactions or worsening the condition.

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Written by Li Jing
Rheumatology
1min 9sec home-news-image

Is allergic purpura prone to recurrence?

First and foremost, allergic purpura refers to a hemorrhagic disease that affects the capillaries in the skin or other organs; it is categorized as a rheumatic immune disease. It primarily occurs in adolescents and children aged between five to fourteen years, and cannot be cured. The disease is prone to recurring, which is its main clinical characteristic. The primary causes are infections, drugs, or food allergies, with infections being the most significant factor. Therefore, upon the appearance of skin purpura or bleeding spots, joint swelling, or signs such as hematuria and proteinuria, timely and comprehensive examinations should be conducted for diagnosis. Once the kidneys are involved, it is essential to rest in bed until the proteinuria alleviates. Moreover, it is crucial to conduct a 24-hour urinary protein quantification to assess the extent of kidney damage. If there is a significant amount of proteinuria, it is advisable to promptly perform a renal biopsy to clarify the type of pathology.

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Written by Zhou Qi
Nephrology
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Is allergic purpura nephritis contagious?

Henoch-Schönlein purpura nephritis and allergic purpura are not infectious diseases; there is no contagious element involved. Henoch-Schönlein purpura nephritis is actually kidney damage caused by allergic purpura, which is an allergic disease itself. Patients suffer from an abnormal immune response in the body’s immune system after coming into contact with allergenic drugs or foods, leading to necrotizing vasculitis. This disease is unrelated to pathogens. Generally, there is no direct damage to the kidneys caused by a specific pathogen in this disease, nor do patients carry pathogens that can cause Henoch-Schönlein purpura nephritis, such as bacteria or viruses, thus making the disease non-contagious.

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Written by Li Jing
Rheumatology
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What causes allergic purpura?

Allergic purpura commonly occurs in adolescents and children, characterized by frequent relapses and being intractable. It is primarily seen in youth aged between 5 to 14 years. As they age and their immunity strengthens, the frequency of episodes gradually decreases. The most common causes of allergic purpura include infections such as bacteria, viruses, parasites, mycoplasma infections, and allergies to medications and foods, with food allergies mainly stemming from high-protein foods like fish and shrimp, which can easily trigger allergic reactions. Therefore, once skin purpura or proteinuria appears, it is crucial to rest in bed until the pain and proteinuria dissipate and the purpura eases. During treatment, it is also important to avoid cold exposure and overexertion.

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Written by Li Liu Sheng
Nephrology
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Is allergic purpura nephritis contagious?

Kidney damage caused by allergic purpura is called allergic purpuric nephritis. The main mechanism of allergic purpuric nephritis is the deposition of immune complexes in the kidneys, causing hematuria, proteinuria, edema, and hypertension. Severe cases of purpuric nephritis may also lead to renal failure. Additionally, patients with allergic purpuric nephritis exhibit systemic symptoms such as skin purpura, abdominal pain, joint pain, and melena. Allergic purpuric nephritis usually occurs in children, and it is not contagious. Unlike viral hepatitis, tuberculosis, and dysentery, it does not spread through respiratory, digestive, or blood pathways.