Typical skin manifestations of systemic lupus erythematosus

Written by Yang Ya Meng

Rheumatology

Updated on December 23, 2024

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The most typical skin rashes of systemic lupus erythematosus are called butterfly rash and discoid rash. The so-called butterfly rash is a rash on both sides of the nostrils, resembling the wings of a butterfly, and the so-called discoid rash is a circular, disc-shaped rash on the facial area. At the same time, patients with systemic lupus erythematosus may also experience reticular purpura or vasculitic rashes like those of end-finger vasculitis, all of which are typical manifestations of skin rashes in patients with systemic lupus erythematosus.

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Written by Yang Ya Meng

Rheumatology

58sec

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What causes systemic lupus erythematosus?

Systemic lupus erythematosus mainly has four major causes: The first is related to the environment. Long-term exposure to sunlight, or living in a humid environment, may trigger the onset of systemic lupus erythematosus. Secondly, there is a certain genetic predisposition to systemic lupus erythematosus. If the parents have systemic lupus erythematosus, the probability of their offspring developing the disease is higher. Thirdly, systemic lupus erythematosus is also related to estrogen, which is why, clinically, lupus is more commonly seen in women of childbearing age and less often in men. Systemic lupus erythematosus is also associated with some specific infections, such as bacterial or viral infections, which may trigger a lupus flare-up.

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Written by Yang Ya Meng

Rheumatology

1min 2sec

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What should be noted about systemic lupus erythematosus?

Patients with lupus should be cautious about several lifestyle factors. First, they should avoid prolonged exposure to the sun, as ultraviolet rays can potentially trigger the activity of lupus. Second, they should not overexert themselves, as fatigue can also lead to an exacerbation of lupus symptoms. Third, they must strictly avoid infections. Due to the long-term use of corticosteroids and immunosuppressants, lupus patients have reduced immunity, and even a minor infection can become uncontrollable. For lupus patients, lifelong medication is crucial. Commonly used medications include corticosteroids and hydroxychloroquine. If the patient's visceral systems are involved, immunosuppressants may also be required. Additionally, patients should consistently attend regular check-ups at the rheumatology clinic. (Specific medication use should be conducted under the guidance of a doctor.)

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Written by Li Jing

Rheumatology

59sec

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Can people with systemic lupus erythematosus eat black fungus?

Systemic lupus erythematosus is an autoimmune disease that affects multiple systems and organs. It cannot be cured and can only be managed through medications to control the progression of the disease and delay complications. It commonly occurs in women of childbearing age. In the early stages, when no other organs are damaged, there are no special dietary restrictions and black fungus can be eaten. However, fruits such as figs and bayberries, which are exposed to ultraviolet light for a long period, should be avoided. If the disease affects the kidneys causing damage such as proteinuria and increased creatinine, a diet low in salt, fat, and restricted in high-quality protein is necessary. High-quality protein mainly refers to lean meats and pure milk, and consumption of black fungus should be moderated.

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Written by Li Jing

Rheumatology

44sec

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Can systemic lupus erythematosus be cured?

Systemic lupus erythematosus is a multi-system autoimmune disease and a chronic condition with an unclear cause, making it incurable. Treatment primarily involves medication to control the progression of the disease, prevent relapse, and delay the onset of complications in other organs. The comprehensive goal of treatment is to manage these aspects. Additionally, exposure to direct sunlight should be avoided, and women should avoid oral contraceptives, as these can trigger active lupus. Furthermore, it's crucial to avoid consuming figs, bayberries, and other fruits that have been exposed to ultraviolet light over a long period, as they can also induce lupus activity.

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Written by Li Jing

Rheumatology

1min 1sec

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Dietary Restrictions for Systemic Lupus Erythematosus

Firstly, systemic lupus erythematosus is a chronic autoimmune disease that can affect multiple systems, including the skin, heart, kidneys, lungs, and nervous system, among other organs. The skin, kidneys, and lungs are the most commonly affected organs. If the kidneys are affected and proteinuria occurs, it is necessary to restrict salt intake. The general principle is to have a low-salt, low-fat diet, and to limit the intake of high-quality proteins, which mainly refers to lean meats and pure milk. It is necessary to drink more water, avoid sun exposure, avoid oral contraceptives, and in terms of diet, fruits such as figs and mangoes that have been exposed to sunlight for a long time are prohibited, including tomatoes, while other fruits can be consumed in moderation.