Can people with allergic purpura take baths?

Written by Yang Ya Meng
Rheumatology
Updated on December 28, 2024
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Patients with allergic purpura can take baths, but the water temperature should not be too hot. This is because excessive heat or vigorous exercise can potentially trigger a recurrence of allergic purpura. Additionally, patients should avoid getting cold to reduce the risk of infection, as infections can also provoke episodes of allergic purpura. During an episode of allergic purpura, it is necessary to take some anti-allergy medications and medications that reduce rashes, such as desloratadine dispersible tablets and compound glycyrrhizin tablets. If there is significant involvement of vital organs, such as the kidneys or gastrointestinal tract, some patients may also need to use corticosteroids. (Medication should be taken under the guidance of a doctor.)

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Written by Li Jing
Rheumatology
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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
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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.

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Written by Li Jing
Rheumatology
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Can allergic purpura cause itching?

Allergic purpura is mainly seen in adolescents and children, with a higher incidence in spring and autumn. The most common cause is infection, followed by medications or food, which can also trigger an episode of allergic purpura. The most common symptoms include purpura on the skin and mucous membranes, abdominal pain, blood in stools, hematuria, or joint pain. The purpura primarily affects the limbs, rarely appears on the trunk, and is symmetrically distributed. At this time, the bleeding spots often have no symptoms, meaning there is no itching of the skin. However, when there is concomitant skin edema or hives, itching can occur.

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Written by Li Jing
Rheumatology
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Does allergic purpura spread to others?

Firstly, allergic purpura is neither a genetic nor a contagious disease, so there is no need to worry about it being inherited or transmitted to others. It is an allergic reaction caused by drugs, food, or infections, typically manifested by bleeding and bruising on the skin and mucous membranes of the limbs, joint pain, and hematuria. Diagnosis requires the combination of clinical manifestations and related tests such as urinalysis. If it is merely a case of the skin type, it only necessitates bed rest and observation of the number and extent of bleeding points on the skin and mucous membranes without special treatment. If there are symptoms like black stools or proteinuria, bed rest is imperative along with the use of anti-allergy medications or corticosteroids to enhance treatment, continuing until the proteinuria resolves.

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Written by Yang Ya Meng
Rheumatology
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Do you need to be hospitalized for allergic purpura?

Whether patients with allergic purpura need to be hospitalized mainly depends on the severity of their condition. For mild cases of allergic purpura, also known as purely dermal allergic purpura, where the main clinical manifestation is a rash primarily on the lower limbs, outpatient treatment is sufficient. However, if the patient has gastrointestinal or renal types of allergic purpura, hospitalization is required. The gastrointestinal type of allergic purpura involves significant symptoms such as abdominal pain and diarrhea, while the renal type is characterized by symptoms like edema and significant proteinuria. If allergic purpura affects internal organs, the digestive tract, or kidneys, hospital treatment is necessary.