Dermatology - Acne + pustules Flashcards
Acne vulgaris
What is the pathology behind acne?
Blockage of ducts + inflammation + hormones
Acne
Closed comedomes
‘Whiteheads’
Open comedomes
Blackheads
Nodulocystic acne
Nodulocystic acne
Acne scars
Treating acne principles
Avoid humidity and greasy moisturisers
Topical antibiotics (clindamycin)
Benzoyl peroxide
Retinoids
Oral antibiotics (doxycycline)
Anti-androgens (female - spirinolactone)
Isotretinoin
Blue light
What is isotretinoin?
95% successful, only treatment that produces long term remission (25% recur)
Use low dose
ADRs isotretinoin
Teratogenic (at all doses)
Dryness
Sun sensitivity
Fragile skin
Aching muscles
Fatigue
Moody
Acne inversa - groin, axillae
Acne inversa (NOT boils - no use to lance or use penicillins)
Rosacea
Rosacea