Acne Tx
“Do not apply topic retinoids and benzoyl peroxide at the same time as benzoyl peroxide oxidizes retinoids. Alternating days if use both.”
2-3 months to see effect.
Acne pathogenesis
"Clogged pores" = comedome
Pores = pilosebaceous unit
Inflammation
Infection
Bacteria- Propionibacterium acnes and granulosumAcne Rosacea
Middle aged No comedome Flushing Facial nasal labia area Papules and pustules superimposed on a background of Telangiectasias and general erythema Rhinophyma - enlarged nose
Benzoyl peroxide
Topical or oral Abx
Tetracycline
Doxycycline
Minocycline
It takes 2-3 months to see improvement
Oral isotretinoin
isotretinoin
Common side effects:
Open comedome
“Blackhead”
Closed comedome
“Whitehead”
Acne
“Pimples”
Acne Vulgaris
Pathogenesis
Oral isotretinoin
Teratogenic
Spironolactone
Has anti-androgenic effects
Acne Rosacea
The absence of comedies helps to distinguish acne vulgaris from Rosacea
Acne
Adolescent
Acne
Predisposing factors