Impetigo

Question 1

most common cause of impetigo

Answer 1

staph aureus

Question 2

appearance of impetigo

Answer 2

golden crust

Question 3

less common cause

Answer 3

strep pyogenes

Question 4

is impetigo contagious?

Answer 4

yes - keep children off school

Question 5

when does impetigo occur?

Answer 5

bacteria enters via break in skin

can be related to eczema

Question 6

2 classifications of impetigo

Answer 6

non-bullous and bullous

Question 7

where does non-bullous impetigo usually occur?

Answer 7

nose and mouth

Question 8

non-bullous impetigo appearance

Answer 8

exudate dries to form golden crust

unsightly but no systemic symptoms

Question 9

treating non-bullous impetigo

Answer 9

topical fuscidic acid
antiseptic cream
oral flucloxacillin

Question 10

non pharmacological advice

Answer 10

do not touch or scratch lesions
hand hygiene
avoid sharing face towels and cutlery

Question 11

how long do children need to stay off school?

Answer 11

all lesions have healed or antibiotics for 48 hours

Question 12

What bacteria always causes bullous impetigo?

Answer 12

staph aureus

Question 13

what can staph aureus produce?

Answer 13

epidermolytic toxins

break down proteins holding skin cells together

Question 14

how does bullous impetigo occur?

Answer 14

toxins cause 1-2cm fluid filled vesicles to form
vesicles grow and then burst
form a golden crust

Question 15

who is bullous impetigo more common in?

Answer 15

noenates and children under 2

Question 16

bullous impetigo sx

Answer 16

systemic

feverish

Question 17

severe bullous impetigo

Answer 17

staph scalded skin syndrome

Question 18

diagnosing bullous impetigo

Answer 18

swab of vesicles

Question 19

treating bullous impetigo

Answer 19

flucloxacillin - oral or IV

Question 20

complications of impetigo

Answer 20

cellulitis 
sepsis 
scarring 
SSSS
post strep glomerulonephritis
scarlet fever