What is erysipelas and is it contagious?

Written by Cui Lin Jing
Dermatology
Updated on October 31, 2024
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Erysipelas is an inflammation of the skin and lymphatic vessels caused by bacterial infection, commonly occurring in the summer and autumn seasons. It frequently occurs on the face and lower legs, with rhinitis and athlete's foot being the most common triggers. This is due to bacteria infecting the lymphatic vessels through minor wounds. Initially, the lesions are clearly defined, edematous, bright red patches with distinct edges, shiny surface, and increased skin temperature in the affected area. Occasionally, blisters or large blisters may appear, accompanied by spontaneous pain or tenderness and local lymph node enlargement. Erysipelas is not contagious and is quite sensitive to antibiotic treatment. The preferred treatment is penicillin for a duration of two weeks. Since erysipelas is prone to recurrence, it is crucial that the treatment course is sufficient.

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Written by Zhu Zhu
Dermatology
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Can erythromycin ointment be used for erysipelas?

The treatment of erysipelas is divided into topical medications and oral medications. When the condition is not very severe, it can be treated with some antibacterial topical medications, including erythromycin ointment. Erythromycin ointment can alleviate the pain and inflammation of redness and swelling. However, if erysipelas progresses to a more severe stage, using only erythromycin ointment is insufficient. It is necessary to use some oral anti-inflammatory medications for treatment, and the treatment course of oral anti-inflammatory medications is generally about two weeks.

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Written by Zhu Zhu
Dermatology
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Can erysipelas be treated with hot compresses?

After contracting erysipelas, it is generally not recommended to apply heat, as erysipelas is an inflammatory reaction caused by bacterial infection of the skin, and heat application may worsen the condition, especially if done without doctor's guidance. It could lead to a more serious condition. It is advised to visit a dermatologist promptly after getting erysipelas. Treatment may include anti-inflammatory medications. It is also suggested to boost one's immunity and consume a light diet rich in vitamins and proteins to aid in recovery. Additionally, it's important to rest frequently.

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How many days does it take for penicillin to take effect on erysipelas?

Erysipelas is treated with penicillin, generally requiring about ten days to take effect, and medication should not be discontinued even after ten days. This is because this period is just when the drug starts to work and relieve the disease; it still requires about another seven days of usage to completely fight the bacteria and avoid the possibility of recurrence. Erysipelas has a high recurrence rate, so it is crucial to ensure thorough treatment.

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How is erysipelas treated?

Erysipelas is mainly caused by a bacterial infection of the lymphatic system, resulting in lymphangitis, primarily affecting the superficial lymphatics of the skin's dermis. The common pathogen is Group A hemolytic streptococcus. For erysipelas, proactive anti-infection treatment is necessary, typically opting for penicillin-class antibiotics. For patients allergic to penicillin, other types of antibiotics such as cephalosporins or macrolide antibiotics can be considered. If there is significant local swelling and pain, magnesium sulfate can be used for local wet compresses to reduce swelling and alleviate pain. Additionally, traditional Chinese medicine treatments can be considered, such as taking oral medications that clear heat and detoxify.

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Written by Zhu Zhu
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erysipelas skin disease symptoms

Erysipelas is caused by hemolytic streptococcus. It commonly occurs on the dorsum of the foot, the lower leg, and the face, and is usually unilateral. The onset of the disease is generally acute, with typical skin symptoms mainly presenting as edematous erythema, with clear boundaries, tense and shiny surfaces. The skin lesions can rapidly expand outward, accompanied by various degrees of systemic toxic symptoms or lymph node enlargement. The condition often peaks within four to five days, and after subsiding, the affected skin areas may have mild pigmentation and desquamation.