rosacea Flashcards
what sex and age group is associated with rosacea ?
females are more common
ages 30-50
what is the presentation of rosacea ?
centro-facial flushing and telengectasia
papulo-pustular eruptions
eye affection - associated with posterior blepharitis
Rhinophyma
what are the stages of rosacea ?
pre-rosacea
stage 1 - transient facial eryhtema
slight telengectasia , increased skin sensitivity
stage 2 - persistent facial erythema
ocular manifestations
stage 3 - large inflammatory nodules
Rhinophyma
theories associated with the pathogenesis of rosacea ?
- Abnormal vasomotor response to thermal and other stimuli.
- Dermal matrix degeneration.
- Microbial organisms:Demodex
and helicobacter pylori.
dietary association with rosacea
none
ddx of rosacea ?
seborrheic dermatitis
acne vulgaris
SLE
Demodex folliculitis
rosacea vs acne
rosacea
only red pimples no white heads or black head
no scarring
highly sensitive skin
redness all over the cheeks
telengectasia
Acne :
white heads, black heads and red pimples
scarring
some sensitivity
redness around the pimple only
no telengectasia
SLE malar rash vs rosacea ?
no pustules in SLE
demodex folliculitis vs rosacea ?
demodex folliculitis has itchy pustules
Mx for transient erythema in rosacea ?
alpha adreenergic
Tx for persistent erythema in rosacea ?
brimonidine
Mx for mild to moderate rosacea ?
azelaic acid
Tx for sever rosacea ?
Ivermectin
Tx for telengectasia ?
electrodesicccation
Tx for phyma ?
clinically inflamed : doxycycline
clinically non-inflamed : physical modalities
