acne vulgaris

Question 1

what is it characterised by?

Answer 1

obstruction of the pilosebaceous follicles with keratin plugs which results in comedones, inflammation and pustules.

Question 2

mild acne

Answer 2

open and closed comedones with or without sparse inflammatory lesions

Question 3

moderate acne

Answer 3

widespread non-inflammatory lesions and numerous papules and pustules

Question 4

severe acne

Answer 4

extensive inflammatory lesions, which may include nodules, pitting, and scarring

Question 5

management

Answer 5

1. single topical therapy
2. oral abx - tetracyclines e.g. lymecycline, oxytetracycline, doxycycline - avoid in pregnancy and use erythromycin

3.COCP

4. oral isotretinoin - contraindicated in pregnancy