Acne Vulgaris/Rosacea Flashcards
Inflammatory disease of pilosebaceous unit
acne vulgaris
Ages for acne
Neonatal d/t maternal hormones
Puberty (early)
Mid to late teens most common
And later… especially for women
Pathophysiology of acne
Excessive sebum production
** Follicular plugging
Colonization of seb. follicle w/ Propionibacterium acnes
Immune response w/ inflammation
Causative agent most acne
Propionibacterium acnes
Open comedo
blackhead
Closed comedo
whitehead
Grade 1 Acne
superficial non-inflammatory
open/closed comedones
Flesh colored papules
NO inflammation, pustules, nodules, scars
Grade 2 acne
superficial inflammatory open/closed comedones inflammation Papules/pustules - few to several NO nodules/scars
Grade 3 acne
Deep inflammatory Moderate to severe open/closed comedones Papules/pustules Few nodules Little to no scar present
Grade 4 acne
Severe nodulocystic Deep/inflammatory open/closed comedones papules/pustules extensive nodules variable degree scarring
Lab testing for acne
Not indicated unless hyperandrogenism is suspected
DHEAS, FSH-LH ratio
Differential Dx
Acne rosacea
Gram-negative Folliculitis
Perioral Dermatitis
Steroid-induced acne
Tx principles
Decrease seb. gland activity
Correct alterned keratinization
Decrease follicular bacteria
anti-inflammatory
Tx: Grade 1
Topical retinoid
Topical benzoyl peroxide
Extraction
AHA, Sal. acid products
Tx: Grade 2
Topical retinoid
Benzoyl peroxide
Topical abx
Azelaic acid