red rashes on the face Flashcards
1
Q
cause of seborrheic dermatitis
A
- yeast pityrosporum and meslethsia furur
2
Q
erythematous papules and pustules
A
acne
3
Q
acne pathogenesis
A
- plugged pilosebacous follicle
- sebum production due to increased androgens
- P. acnes bacteria
4
Q
severe, explosive, nodular acne +/- systemic symptoms
A
- acne conglobata, fulminans
5
Q
neonatal acne apears at
A
2 weeks, clear by 3 months due to malassezia
6
Q
infantile acne presents at
A
3-6 months, due to hormonal imbalance?
7
Q
how long before oral antibiotics for acne start to work
A
6-8 weeks -
3-4 month course
- reduce ressistance by adding B. peroxide
8
Q
erythematous rash with triggers
flushing and telangectasias
NO COMEDONES
A
rosacea
9
Q
redness component of rosacea can be treated with
A
alpha 2 agonist
10
Q
rash around lips, spares vermillion of lip
A
perioral dermatitis
