Acneiform Eruptions Flashcards
What is acne vulgaris
Disease of pilo-sebaceous unit (PSU) affecting the face,chest,back
What age does acne vulgaris typically present? Is it more common in M or F
15-18yrs (seen from 12 onwards)
Delayed onset in some females
+ve family history
M=F but M more severe
What is the difference between an open comedo and closed comedo
Open comedo = blackhead
Closed comedo = whitehead
What are the topical treatment options for Acne (4)
Benzoyl peroxide (BPO) acnecide - often first choice
Topical antibiotics (clindamycin or erythromycin)
Topical retinoids (Adapalene)
Combination treatments - benefit of having 2 different targets
What are some of the common combination treatments for acne (3)
Duac (BPO and clindamycin)
Treclin (Tretinoin and clindamycin)
Epiduo gel (adapelene and BPO)
When would systemic treatments for acne be considered
If acne is too severe for topical treatments in isolation
What are some of the systemic treatments available for acne (5)
Antibiotics
Anti-androgens (combined oral contraceptive pill - women)
Isotretinoin (roaccutane)
UVB (not used often)
Dapsone (anti-neutrophil used to target inflammation)
What is isotretinoin
Retinoid medication - most effective treatment for acne
When would isotretinoin be prescribed
Failure of treatment: If Patient has had two 3 month courses of antibiotics without clear up
if there is evidence of scarring, severe acne, acne fuminans
How does isotretinoin work
Works by drying out and shrinking the sebaceous glands (explains some of the side effects)
What are some of the side effects of isotretinoin (4)
Teratogenic (pregnancy prevention programme - double method of contraception)
Dry skin, lips,hair
Risk of low mood
Change in night vision
What is the process for treating scarring
Treat inflammation first
If had isotretinoin should wait for 1 year before looking into treatment for scarring
What are some of the treatments for scarring
Intralesional steroid
Excision of ice pick scars
Laser
Dermabraison
Chemical peels
Where does acne rosacea affect
Ace of clubs distribution (foreheads and cheeks)
Unusual on non-facial sites
NO COMEDONES
What demographic does acne rosacea affect
Age 30-50yrs
F > M but M more severe
Fair skinned
What kind of acne is this
Erythemato-telangiectatic
What kind of acne is this
Papulopustular
What kind of acne is this
Comedomal
What kind of acne is this
Nodular cystic acne
