Acne and Rosacea Flashcards
What is the pathogenesis of acne?
Pore occlusion
dermal inflammation
bacteria colonisation
increased sebum production
What are the clinical features of acne?
open and closed comedones
pustules and papules
erythematous underlying skin
pick axe scarring
Scattered papules and pustules, comedones
MILD/MODERATE/SEVERE
mild
numerous papules, pustules and mild atrophic scarring, comedones
MILD/MODERATE/SEVERE
moderate
papules, pustules, nodules, atrophic scarring, comedones
MILD/MODERATE/SEVERE
severe
what is acne excoriee?
angulated, ulcerated areas from picking and squeezing
which treatments have an anti-comedonal effect?
adapalene
tretinoin
nicotinamide
azaleic acid
which treatments have an anti-inflammatory effect?
adapalene
skinoren
nicotinamide
which treatments are anti-microbial?
nicotinamide
azaleic acid
benzoyl peroxidase
what agents are in epiduo?
adapaline and benzoyl peroxidase
what agents are in duac?
benzoyl peroxidase and clindamycin
what are the main systemic antibiotics for acne?
lymecycline
doxycycline
which acne antibiotic can be used in pregnancy?
erythromycin
how long does it take for antibiotic therapy to work?
2-6 months usually
which COC pill is recommended in acne?
dianette
what is the brand name of isotretinoin?
roaccutane
what is the presentation of inflammatory rosacea?
pustules and papules
no comedones!
what is the presentation of facial rosacea?
erythema on nose, chin, cheeks, forehead
what is the presentation of flushing rosacea?
flushing triggered by temperature, alcohol, spicy food
what is the presentation of telangectasia rosacea?
small surface blood vessels present
what is the treatment for telangectasia?
laser treatment
what is the treatment for inflammatory rosacea?
antibiotics- topical metronidazole, systemic tetracyclines
what is the treatment for rhynophyma?
surgery/laser shaving
what is another topical treatment for rosacea?
ivermectin
