Wk 3 Acne Flashcards
Most common form of acne
acne vulgaris
Adult form of acne
acne rosacea
Pathology of acne vulgaris
- excessive sebum production
- plugging of follicle
- P. acnes colonization
- immune response/inflammation
Staple presentation of ance
comedone (blackheads/whiteheads)
Tx of neonatal acne
do not treat
How hair follicles are plugged
excessive keratinization
P. acnes, coagulase result
negative
Most common exacerbating factor for acne
stress –> increased sebum secretion
Grades of acne
I: papules, no inflammation
II: inflammation
III: pustules, nodules, no scaring
IV: extensive nodules
Grade I and II acne Tx
topical retinoids
Grade III Tx
topical retinoids + oral antibiotics
Grade IV Tx
oral isotretinoin, oral contraceptives
2 most used antibiotics for acne
doxycycline and minocycline
Isotretinoin
extremely tetragenic, only effective long-term Tx for ance
Acne rosacea cause
idiopathic, thought to be vascular, H. pylori relationship