Derm- Infections

Question 1

What is Impetigo?

Answer 1

common acute superficial bacterial infection

Question 2

bacteria in impetigo?

Answer 2

staph aures

Question 3

treatment in impetigo?

Answer 3

Topical antibacterial (fucidin)

oral antibiotic (flucloxan)

Question 4

what is Molluscum contagiosa

Answer 4

common benign skin self limiting infection

reassure

Question 5

cause of Molluscum contagiosa?

Answer 5

Molluscipox virus

Question 6

how does molluscs present?

Answer 6

pearly papules

umbillicated centre

Question 7

Molluscum contagios transmission?

Answer 7

to close direct contacts

Question 8

if concerned about Molluscum contagios, what treatment

Answer 8

5% potassium hydroxide

Question 9

cause of viral wart?

Answer 9

HPV

transmitted by direct contact

Question 10

treatment of viral wart?

Answer 10

No treatment

but can do:
salicylic acid and paring
cycotherapy

90% resolve in 24 months

Question 11

common viral exanthema?

Answer 11

chicken pox
measles
rubella
Roseola (herpes virus 6)
Erythema infectiosoma (paravirus B19)

Question 12

chicken pox virus?

presentation?

Answer 12

varicella zoster

red papules (small bumps) progressing to vesicles (blisters) often start at trunk

itchy

Question 13

Parvo virus (slapped cheek)

Answer 13

erythmetous rash cheeks initially
then lace like rash
can take 6 weeks to fully fade

virus targets red cells in bone barrow

Question 14

potential complication of Parvo virus?

Answer 14

aplastic crisis (if haemolytic disorders)
risk to pregnant women (spontaneous abortion, intrauterine death, hydros fettles)

Question 15

what is the hand, foot and mouth virus?

Answer 15

enterovirus

usually coxsacki A16

Question 16

Presentation of hand, foot and mouth?

when?

Answer 16

blisters on hand, foot and mouth

late summer, autumn months

Question 17

eczema coxsakium

Answer 17

associated viral symptoms (in all of viral skin infections)

history of eczma

flared sites o areas of eczema

self limiting

Question 18

eczema herpteicum presentation?

treatment?

Answer 18

unwell child
history of eczma
monomorphic punched out lesions

withhold steroids for 24 hours
Aclicover oral or IV

Ophthalmology review if near eye

Question 19

7 year old
feeling generally unwell, poor appetite
history of eczema and asthma
usually well controlled

diagnosis?
what do next?

Answer 19

Eczema herpeticum
if unwell admit
viral swabs- lesional

Acliclover- immunosuppressed dosed
hold topical steroid until done >24 hours of acliclover

50:50 as emoilient
analgesia