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Varicella Zoster Virus Infection

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Questions and Answers

What is the primary component of diagnosing herpes zoster?

Case history

What is post-herpetic neuralgia, and what is its prevalence in elderly patients?

Persistence of pain after rash resolution, common in 10% of elderly patients

What is the primary mechanism of action of topical capsaicin in treating post-herpetic neuralgia?

Inhibiting substance P

What is the recommended treatment for healthy patients with mild clinical manifestations of herpes zoster?

Avoiding secondary infection, using chlorhexidine mouthwash, Rifampicin elixir mouth bath, and topical acyclovir ointment Signup and view all the answers

What is the dose and duration of oral acyclovir treatment for severe clinical manifestations of herpes zoster in healthy patients?

800 mg, 5 times a day, for 7-10 days Signup and view all the answers

What is the recommended treatment for disseminated herpes zoster in immunosuppressed patients?

I.V. 10 mg/kg body weight acyclovir every 8 hours for 10 days Signup and view all the answers

What is the recommended treatment for elderly patients with herpes zoster to prevent post-herpetic neuralgia?

Acyclovir and prednisone 40-60 mg/day, decreasing over 3 weeks Signup and view all the answers

What is Ramsay-Hunt syndrome, and what cranial nerves are involved?

Involvement of the facial and auditory nerves Signup and view all the answers

What is the typical presentation of the prodrome phase in Ramsay-Hunt syndrome?

Headache, malaise, fever, and sometimes pain localized to the ear or radiating to the jaws or neck Signup and view all the answers

What is the characteristic clinical feature of the herpetic oticus phase in Ramsay-Hunt syndrome?

Crops of vesicles on the tragus of the ear, external auditory canal, and tympanic membrane Signup and view all the answers