Published - Thu, 29 Sep 2022

Herpes zoster (shingles)

Herpes zoster (shingles)

Herpes zoster is the reactivation of the varicella virus (chickenpox) along one or two contiguous dermatomes. The prevalence of this illness is highest in elderly patients, and immunosuppression is a contributing factor (which occurs with chemotherapy, leukemia, Hodgkin lymphoma, and other malignancies).


CLINICAL FEATURES

1. Pain, burning, and hyperesthesia precede the eruption of vesicles.

2. Lesions occur on the face, neck, thorax, lumbosacral area, and the tip of the nose. The eruption is limited to one side of the body in most cases.

a) Ramsay Hunt syndrome involves cranial nerve VII; vesicles are seen in the ear canal or on the pinna. This syndrome can lead to hearing loss, facial paralysis, and loss of taste in the anterior two-thirds of the tongue.

b) Serious ocular complications can result from the involvement of the trigeminal nerve; lesions are seen on the tip of the nose. Fluorescein stain with slit-lamp eye examination may reveal a dendritic pattern consistent with a serious viral infection of the cornea.


DIFFERENTIAL DIAGNOSES

Herpes simplex 

Poison ivy

Contact dermatitis

Localized bacterial infection


EVALUATION

1. For lesions involving the nose tip or peri-orbital area, the eye should be fluorescein-stained to evaluate for herpetic keratitis; consultation with an ophthalmologist is warranted.

2. A positive Tzanck smear of vesicle fluid and rising viral titers are diagnostic but seldom needed.


THERAPY

1. Acyclovir

a) Oral acyclovir (800 mg five times daily for 5 to 10 days) is effective if therapy is initiated within 48 hours of the appearance of lesions.

b) Intravenous acyclovir (10 mg/kg over 1 hour every 8 hours for 7 days) is indicated for patients with severe outbreaks, patients with herpes keratitis, and immunosuppressed patients.

c) Topical acyclovir can be applied four times daily for 10 days.

2. Prednisone can be administered orally to shorten the duration of symptoms and is given as a tapered dose, starting at 30 mg.

3. Analgesics may be needed; some patients will require opiate medications. Capsaicin cream can be applied topically five times daily and is useful for patients with postherpetic neuralgia.


DISPOSITION 

Admission is required for immune-compromised patients, patients with ophthalmologic herpes zoster, and patients with complications (e.g., meningitis, peripheral neuropathy, cutaneous dissemination).

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Rigomo Team

Rigomo is a leading online education platform that offers a wide range of courses to help individuals enhance their skills and achieve their career goals. With our user-friendly interface and expert instructors, we strive to provide high-quality education to everyone, anytime and anywhere. Join us today and take the first step towards a brighter future.

Rigomo is an e-learning platform that was founded in 2019 by a team of dedicated professionals with a passion for revolutionizing the way people learn. The platform offers a range of online courses that cover various industries, including business, technology, healthcare, and more.

Rigomo's courses are designed to be interactive and engaging, with a focus on practical skills that learners can apply in their careers. The platform uses a combination of video lectures, quizzes, and hands-on projects to help learners master the subject matter.

Rigomo is committed to providing affordable and accessible education to people around the world. The platform offers a range of pricing options, including monthly and annual subscriptions, as well as pay-as-you-go options for individual courses.

Since its launch, Rigomo has received numerous accolades for its innovative approach to e-learning. The platform has helped thousands of learners across the globe acquire new skills and advance their careers.

As Rigomo continues to grow, the team remains committed to providing high-quality education that is accessible to all. The platform is constantly updating its courses and features to ensure that learners have access to the latest tools and technologies.

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Comments (1)

Ashely owen
Ashely owen
Good herbal Remedies for herpes…

Thanks R.buc k le r 1 1 ( ‘ ‘ ) g ma i l… c o m…
Tue, 19 Mar 2024
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