Symptoms of childhood lupus

Written by Yan Xin Liang
Pediatrics
Updated on April 04, 2025
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Childhood systemic lupus erythematosus generally presents similarly to adults. It is a relatively common systemic autoimmune disease, more commonly seen in girls than boys. It involves multiple autoantibodies primarily including antinuclear antibodies and widespread small arteriole pathology, affecting multiple systems. Clinically, it can manifest with fever, skin lesions, such as butterfly rash on the face, as well as damage to the joints, kidneys, liver, heart, serous membranes, and a reduction in all blood cells. Generally, the ratio of females to males ranges from about 6:1 to 9:1. The prognosis of this disease is generally poor.

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Written by Zhang Lin
Rheumatology and Immunology Nephrology
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What should I do if I have a fever with lupus erythematosus?

When patients with lupus experience fever, the fundamental approach is the use of ample steroids or other immunosuppressive drugs for treatment, which generally can quickly normalize body temperature. However, some patients may also experience fever during steroid use, possibly due to the steroids reducing immune function and inducing a bacterial infection. At this point, it is necessary to find evidence of infection and promptly treat with adequate sensitive antibiotics. Then, there will certainly be questions about why patients with lupus who have a fever cannot use antibacterial drugs or antipyretics. This is because fever in lupus patients is often an important indicator of disease activity. During acute phases, the fever is typically high, not caused by external infections, thus antibacterial drugs are ineffective. Using antipyretics can temporarily normalize body temperature, but once the effect of the medication wears off, the high fever may recur. Patients with lupus should not casually use medications. If medication is needed, it should be used under the guidance of a doctor.

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Written by Li Jing
Rheumatology
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What causes lupus erythematosus?

Firstly, systemic lupus erythematosus is a chronic, multi-systemic, systemic autoimmune disease that commonly occurs in women of childbearing age, more frequently seen in females, with a significantly higher incidence rate in females than in males. The cause is currently unclear, only indicating that experts believe it is related to environmental pollution, viral infections, hormone levels, genetics, etc., but there is no definitive evidence proving which factors it is related to, only stating that there are studies linking it to these factors. Its clinical manifestations also vary, with most cases having a gradual onset, characterized by recurrent erythema, even pustules, Raynaud's phenomenon, etc. A minority of patients may have a sudden onset, primarily presenting with major hematologic damage.

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Written by Zhang Lin
Rheumatology and Immunology Nephrology
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What should I do if lupus causes hair loss?

What should be done when a lupus patient experiences hair loss? Patients with lupus should keep their hair clean in daily life, not use too much shampoo when washing their hair, avoid dyeing or perming their hair, and reduce the damage to hair from chemical products. This prevents rashes or worsening rashes caused by allergies to hair dyes and damage to hair quality from perming. If hair loss occurs due to the effect of medications, patients can choose to wear a wig during treatment. After chemotherapy ends, new hair will grow, so patients need not worry excessively. Maintaining a pleasant mood is also quite important for recovery from the disease. The basic pathological change in lupus patients is vasculitis. When the small blood vessels in the skin become inflamed, the nutrient supply to the hair follicles is disrupted, which can easily lead to hair loss and affect hair growth. Generally, hair can regrow after the disease is controlled. If hair loss occurs again, it could be a symptom of a disease relapse.

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Written by Liu Li Ning
Rheumatology
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How long will the skin itch in the early stages of lupus erythematosus?

The duration of itching in the early stages of lupus erythematosus is not fixed. It is not certain that early-stage lupus erythematosus will cause itching. Some patients may experience itching, which can subside on its own, but it tends to recur. Additionally, some patients may have itching due to allergies, which can result in rashes accompanied by itching. It is possible to check immunoglobulin E to see if there are any allergic factors present. If allergies are involved, treatment can include antihistamines or corticosteroids, or topical calamine lotion can be used to relieve symptoms. Besides affecting the skin, early-stage lupus erythematosus can also cause symptoms such as oral ulcers and arthritis in many patients.

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Written by Zhang Lin
Rheumatology and Immunology Nephrology
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Can lupus be inherited?

Lupus erythematosus is not a genetic disease, but it is a disease with a genetic predisposition. This means that genetic diseases refer to monogenic diseases, including albinism, color blindness, etc., which are determined by a pair of alleles. However, lupus erythematosus is a disease with a genetic predisposition, determined by multiple genes. Although lupus erythematosus is not a genetic disease, if your parents have lupus erythematosus, the chance of the next generation developing lupus erythematosus is about 1% to 16%. This relationship is especially significant between mothers and daughters, and among sisters. Genetic factors account for approximately 20% of the importance in the development of lupus erythematosus. Only the combination of genetic factors and environmental factors together can lead to the occurrence of lupus erythematosus.