Herpes Zoster

Question 1

What is another name for the herpes zoster virus?

Answer 1

Varicella zoster virus

Question 2

Why does shingles only affect one dermatome of the body?

Answer 2

Virus usually only affects 1 nerve root

Question 3

What is the mechanim of transmission for chickenpox from someone has shingles?

Answer 3

Direct contact/droplet spread from shingle lesions

Question 4

What may cause shingles (ie a flare up)?

Answer 4

• Ageing (most patients are over 50 years old)
• Immunosuppressive illness
• Psychological trauma
• Physical trauma

Question 5

What are the 3 phases of shingles?

Answer 5

1. Pre-eruptive
2. Eruptive
3. Chronic

Question 6

How is shingles diagnosed?

Answer 6

Clinical- observe type of lesion

Direct immunofluorescence assay

Question 7

How should shingles be managed?

Answer 7

Clean and dry- avoid secondary bacterial infection

(Sometimes antivirals eg: Oral aciclovir

–> especially if over 50/immunocompromised)

Question 8

What are the complications of shingles?

Answer 8

Scarring

Bell’s palsy

Question 9

What’s the prognosis for shingles?

Answer 9

Good for younger/otherwise healthy patients

Can be serious if pregnant/immunocompromised

Question 10

Is there a varicella zoster vaccine (for shingles)?

Answer 10

Yes