Clinical manifestations of herpes zoster

Written by Liu Gang
Dermatology
Updated on February 14, 2025
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Shingles is a disease caused by the varicella-zoster virus infection. Its most characteristic symptom is the appearance of clustered small blisters distributed along nerve paths on one side of the body, which are quite painful and generally do not cross the midline. This disease has a certain natural course, and it can usually heal within one week to ten days. Some individuals, if in good physical condition and with strong immunity, may recover without medication. However, once identified, it is best to treat with antiviral medications. Delaying treatment may lead to postherpetic neuralgia, which involves severe pain. Therefore, it is crucial to undergo proper treatment once the disease is detected. During treatment, patients should rest more, drink plenty of water, and avoid spicy and irritating foods.

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Written by Li Jing
Rheumatology
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Foods to avoid with herpes zoster

Shingles is a viral infection, most commonly seen in individuals with diabetes, autoimmune diseases, the elderly, or those who have been taking immunosuppressive drugs for a long time. In other words, it mainly occurs in people with compromised immune systems, who are susceptible to shingles virus infections. After the blisters from the shingles infection rupture, the skin can become infected. It is advisable to wear cotton clothing to help prevent infection. Regarding diet, it should be emphasized again to drink plenty of water and eat fresh fruits and vegetables, while avoiding spicy and irritating foods.

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Written by Liu Gang
Dermatology
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Can shingles be contagious?

Shingles is caused by the varicella-zoster virus infection. It has mild contagiousness, but the contagious period is very short, typically lasting about a week from when blisters appear to when they dry up. During this period, try to avoid contact with very young children or elderly people with low immunity, otherwise, it may be transmitted to them. Once diagnosed, it must be treated formally. Common antiviral medications can cure it. This disease can also easily leave complications, so it is crucial to detect and treat it early. During treatment, it is advisable to take some neuro-nourishing medications orally, avoid spicy and irritating foods, refrain from staying up late, exercise moderately, rest more, and drink plenty of water.

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Written by Zhu Zhu
Dermatology
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Does herpes zoster require hospitalization?

Whether hospitalization is needed after contracting shingles depends on the severity of the condition. In most cases, shingles is mild and does not require hospitalization. Treatment can be managed with oral antiviral medications, supplements to nourish the nerves, and topical medications. However, if the shingles is severe and causes complications, hospitalization may be necessary. It is advised to maintain a light diet, avoid overly spicy foods, and ensure adequate rest.

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Written by Zhu Zhu
Dermatology
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Can people with herpes zoster take a bath?

Whether or not someone who has herpes zoster (shingles) can take a bath depends on the individual’s condition. Most patients can bathe, but they must not scrub, especially at the areas affected by the rash. A minority of patients should avoid bathing if their blisters have ruptured, leading to open sores that could facilitate a secondary bacterial infection. In such cases, bathing is not recommended as it may worsen the infection.

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Written by Zhu Zhu
Dermatology
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Is herpes zoster prone to recurrence?

After recovery from herpes zoster, it is not easy for the condition to recur. Herpes zoster is a disease caused by the reactivation of the varicella-zoster virus, which infects the human body and lies dormant in the nerve roots, particularly when the immune system is weakened. Therefore, after recovery from herpes zoster, patients generally do not suffer from it again and can obtain long-lasting immunity. However, clinically, there are indeed some herpes zoster patients who experience recurrent episodes. This often directly relates to a decline in the patient's own immune resistance. Patients with underlying diseases, those who are chronically tired or fatigued, or those using immunosuppressive drugs, are prone to recurrent episodes of herpes zoster. Thus, while it is not easy for herpes zoster to recur, it is not absolutely non-recurrent.