6 - Derm - Eczema - Topical steroids Flashcards Preview

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Flashcards in 6 - Derm - Eczema - Topical steroids Deck (13):
1

how do topical steroids work

reduce infl by causing vasoconstriction and inactivation of infl mediators

2

different potencies and examples

mild - 1% hydrocortisone
med - clobetasone
potent - betamethasone
v potent - clobetasol

3

for face flexures and groin....

use hydrocortisone (may use clobetasone on face for 1 wk if needed)

4

when use clobetasol?
mgmt of eczema first step?

only briefly on thick skin

control with betamethasone for 1week

5

SE of top steroids - more common where? and in who?

face, axillae, upper thighs
young and elderly

6

commoner side effects - 6

striae
skin atrophy
infection
tachyphylaxis
steroid acne
steroid allergy

7

skin atrophy - what? appearance? possible prognosis?

thinning epidermis
wrinkled and shiny skin, telangiectasia, hypopigmented

can be reversible over months

8

Striae - what? prog?

stretch marks
permanent and irreversible

9

Infection examples

impetigo, fungal (tinea incognito), cellulitis

10

steroid acne - appearance? what may happen?

red areas with papules/pustules
may have rebound flare - worse when steroids stopped

11

two more rarer SE

glaucoma
adrenal suppresion/cushings - if long term high doses

12

3 principles of steroids use

ointments > creams - better hydration
once/twice a day - in bursts of a few days
active areas only

13

how to know how much to put on?

use finger tip units - single line along distal phalange of index finger

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