Acne Vulgaris

Question 1

define

Answer 1

chronic inflammatory disease of the pilosebaceous unit

Question 2

causes

Answer 2

increased androgens at puberty

Question 3

describe how comedomes form

Answer 3

keratin plugging of the pilosebaceous unit (poral occlusion) and build up of sebum

Question 4

how can infection occur?

Answer 4

colonisation in anaerobic environment

Question 5

most common bacterial cause of infection

Answer 5

corynebacterium

Question 6

presentation

Answer 6

located on face, upper back and anterior chest
comedomes (whitehead- closed, blackheads- open)
pustules
papules
cysts
erythema

Question 7

secondary features

Answer 7

scars
texture changes
hypertrophy

Question 8

types of scars

Answer 8

atrophic

ice-pick

Question 9

management

Answer 9

avoid oily substances, triggers
topical treatments
systemic treatments

Question 10

topical treatments

Answer 10

benzoyl peroxide (keratolytic and antibacterial)
vitamin A derivatives- retinoids (drying effect)
topical antibiotics

Question 11

systemic treatments

Answer 11

oral antibiotics

oral retinoid- isotretinoin (BEWARE)