Acne Vulgaris Flashcards
1
Q
define acne vulgaris
A
chronic inflammatory disease of the pilosebaceous unit
2
Q
causes of acne
A
increased androgens at puberty
genetics
3
Q
how are comedomes formed?
A
keratin plugging of pilosebaceous unit (poral occlusion) and build-up of sebum to form comedomes
4
Q
infection
A
colonisation by anaerobic bacteria leads to an infection with corynebacterium
5
Q
presentation of acne vulgaris
A
- located on face, upper back and anterior chest
- comedones (whiteheads-closed, blackheads-open)
- pustules
- papules
- cysts
- erythema
6
Q
secondary features in the presentation fo acne
A
scars (atrophic, ice-pick)
texture changes
hypertrophy
7
Q
management of acne
A
- avoid oily substances and triggers
- topical treatments
- systemic treatments
8
Q
examples of topical treatments
A
- benzoyl peroxide (keratolytic and antibacterial)
- vitamin A derivatives (retinoids- drying effect)
- topical antibiotics
9
Q
examples of systemic treatments
A
oral antibiotics oral retinoids (isotretinoin-BEWARE)
