commonskinconditionsFC Flashcards
acne first line
retinoids (tretinoin cream)
acne tx drug classes
retinoids , salicylic acid, bezoyl peroxide, antibitiocs
differin generic and class
adalpene (differin) retinoid
which patients should not use retinoids
do not use retinoids in pregnancy.
which retinoid formulations are less irritating
RETin-A, AVITA, and DIFFERIN are less irritating b/c more alcohol based.
how often to apply the retinoid creams on face to reduce irritation ?
begin with reduced frequency of application- and shorter duration of contact to improve tolerance.
can you use salicylic acid with retinoids
DO NOT use saliciylic acid while using retinoids
how long to see effect of retinoids
takes 4-12 weeks to see a response.
what are retinoids derrivatives of ?
some of these are derivatives of VITAMIN A
which is the most effective acne med OTC
YES most effective OTC agent. Benzoyl peroxide
Benzaclin generic
Clindamycin + BPO (benzamycin) duac
duac storage clindamycin + BPO
dispense w/ 60 day expiration, apply at night and do not freeze
benzamycin and benzaclin differences and similarities
benzamycin is refrigerated (has a lil bit erythromycins)
and benzaclin is kept at room temp (has lil bit clindamycin) BOTH have 3 months expiration
benzamycin mixed w/ alcohol and benzaclin mixed w/ water
isotretinoin DO NOT USE IF
What is the indication
pregnant- need to get tested for pregnancy before and must use two forms of birth control if on it.
indicated for SEVERE acne recalcitrant, nodular acne
age restriction of minocycline
12 years or older
commonly used oral antibiotics
minocycline- 12 years and OLDER
dandruff antifungal dosing
ketoconazole (nizoral shampoo) leave it in for five mins, use TWICE a week
why ketoconazole not first line
not first line since more expensive. use head/shoulder first
fungal infections most effective antifungal for skin
terbinafine is first line and most effective OTC (lamisal)
how to apply terbinafine, and for how long
apply 1-2 inches PAST the rash, do not walk bare foot, use at least for 2-4 weeks even if the rash has healed.
which antifungal formulation works best
creams work best!
other fungal infection meds names
clotrimazole and ketoconazole
finger nail tx for antifungal duration
6 weeks
toe nail tx druation antifungal
12 weeks
nail tx
needs systemic medications- test with KOH smear to monitor for hepatotoxitiy
be careful w/ fungal tx po because can cause?
HEPATOTOXICITY
ezema tx options
topical or oral steroids, antibiotics, or antihistamines.
application of steroids for eczema how often ?
topical steroids only twice a DAY MAX b/c regardless of potency b/c it can cause thinning.
preferred for dry skin in eczema ?
emollients are preferred for dry skin b/c they only contain abt 20% water and is mostly oil
lice DOC ? And dosing ?
permethrin is OTC DOC for lice (nixrid) tx and soon as posisble and do second tx 7-10 days after.
Permethrin, Nix, rid all first line
which lice tx is flammable >
ovide- flammable
lice what u gotta do for success
u gotta remove the live lice and nits OR the OTC product w// not work.
wash clothing etc in hot water and hot dryer
soak combs and brushes in hot water for 10 mins
external genital warts tx and how to apply
imiquimod cream (aldara) apply 3 x a week. apply to entire area until cream is not visible. wash off after 8 hrs.
hydroxyzine (atarax) indication
hives which itch badly - antihistamine
psoriasis use main treatments
keratolytics retinoids, calcipotriene and bethamethasone ointment
taclonex and taclonex scalp suspension generic
Calcipotriene and betamethasone ointment comes as Taclonex and Taclonex scalp suspension.
dermazinc tx indication
is afor psoriasis maybe OTC
moa of calcipotriene for psoriasis
vitamin D analog
dovonex generic
Calcipotriene comes alone as Dovonex.
alopecia-tx
finasteride or minoxidil
minoxidil
more so for facial hair growth
bimatoprost inidication in hair?
can be used to increase eyelashes.
UVA sunscreen purpose
blocks AGING
UVB sunscreen purpose
Blocks BURNING
broadspectrum sunscrena means
UVA and UVB
finasteride MUST be avoided by ?
finasteride PREGNANCY cateogry x. onLY FOR MEN.
SPF
sun exposure factor.
isotretinoin drug interactions
vitamin A, tetracyclines, steroids, POP or st. john’s warts
ADR of isotretinoin
arthralgias, OSTEOPOROSIS, psych issues, dry skin, contact lens issues, chapped lips, decrease night vision which may be permentant and elevated cholestrol, glucose, chest pain, and hearing loss
pulse therapy w/ ketoconazole
has less side effects, less cost, similar efficacy
butenafine indication
for fungal OTC first line along with terbinafine.
ketoconazole needs what type of enviorment to work
ACIDIC enviorment. rabeprazole and other PPI h2ra’s need to be stopped.
elidel inidcations and generic
pimecrolimus - used to treat ezema once topical steroids have failed. applied twice a day . only short term therapy. associated w/ cases of skin cancer
tacrolimus
protopic.
Imiquimod dosing
aldara- 3 times a week. 1 application per packet
for hairy skin what skin formulations to use ?
lotions gell foam.
when do you bandage a wound
if its likely to get dirty….always?
mupirocin
bactroban has good coverage of staph and strep
sunscreen should be reapplied every x amt of time
2 hours
sunscreens that contain are recommended
zinc oxide, avobenzone and titanium dioxide
scabies tx
tiny mites- permetherin, sulfer ointment
lindane can be used 2nd line
stronger benzoyl peroxide or salicylic ?
benzoyl
sunscreen math usually burn in 10 mins spf of 5
10 x 5 = burn in 15
f a patient would normally burn in 10 minutes, if they used a sunscreen with an SPF of 5 they would burn in 50 minutes (5 x 10 = 50).
tinea cruris
jock itch
tinea pedis
atheletes foot
mupirocin coverage
staf and steph coverage great!
what to do about scrapes
if a wound is in an area that IS NOT rubbed by clothing or gets dirty dont cover it.
scrapes should be kept MOIST and clean to prevent scarring- use semi occlusive bandaids
topical abx how many times a day
1 to 3
poison ivy use
ivy block, zanafel (binds to toxin urshodiol) burrow, aveeeno, caladryl, cold compress
high to low potency steroids
clobetasol is HIGH, mometasone, fluocininnide, desoximetasone, hydrocortisone
