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?

<p>Avoiding secondary infection, using chlorhexidine mouthwash, Rifampicin elixir mouth bath, and topical acyclovir ointment</p> 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?

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

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

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

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

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

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

<p>Involvement of the facial and auditory nerves</p> Signup and view all the answers

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

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

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

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

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