8 - Derm - Bacterial infections - Primary staph/strep infections - Hair follicle infections + Impetigo

Question 1

hair follicle infections - caused by? 3 types?

Answer 1

usually s.aureus
superficial folliculitis
furuncle (boil)
carbuncle

Question 2

furuncle (boil) - describe + mgmt

Answer 2

acute necrotic infection of single hair follicle

oral flucloxacillin, mupirocin to clear nasal carriage

Question 3

Carbuncle - what is this and why?

mgmt?

Answer 3

collection of boils due to infection of multiple hair follicles
oral flucloxacillin

Question 4

Carbuncle - ass w? 4 things

Answer 4

DM
malnutrition
steroids
cardiac failure

Question 5

Carbuncle - Sx? where?

Answer 5

fever, tenderness, pain

commonly back of neck, buttocks, thighs and shoulders

Question 6

superficial folliculitis - gives? how does it heal? usually where?

Answer 6

small pustules
heals w/o scarring
usually legs, buttocks, beard

Question 7

superficial folliculitis mgmt

Answer 7

oral flucoxacillin and topical chlorhexidine

Question 8

Impetigo - usually which pathogen? most common in? spread by?

Answer 8

usually s aureus ( may be strep)

highly infectious, most common in kids, spread by direct contact

Question 9

impetigo - affects where? appearance?

Answer 9

mouth, nose, lips

weeping, exudative areas with typical golden crust

Question 10

complications of STREP impetigo

Answer 10

scarlet fever, urticaria, erythema multiforme, glomerulonephritis

Question 11

mgmt of impetigo

Answer 11

toppical mupirocin

oral fluclox or erythromycin