Dermatology Study Guide
well defined border with central clearing - correct answer ✔✔tinea corporis
Pruritic, purple, polygonal planar papules and plaques (6 P's) - correct answer ✔✔lichen planus
Rx topical steroids, calcipotriene (Davone), UV B, methotrexate, anti-TNF (infliximab) - correct
answer ✔✔psoriasis
bullae move laterally is what sign - correct answer ✔✔Nikolsky
+ nikolsky sign think - correct answer ✔✔pemphigus vulgaris Bad!
target lesion Dx - correct answer ✔✔erythema multiforme
vesicles w ery base successive crops, single dermatome - correct answer ✔✔zoster
vesicles ery base Dx not crops but all over - correct answer ✔✔small pox
Rx zoster - correct answer ✔✔Valtrex 1 g TID X 7d
Rx narcs, Neurotin, Lyrica, tricy, sympathetic nerve blocks - correct answer ✔✔postherpetic
neuralgia
herpes zoster vaccine (inactivated), give 2 mo apart - correct answer ✔✔Shingrix
, Rx Permethrin 5% for - correct answer ✔✔scabies
flexor surface papules Dx - correct answer ✔✔atopic dermatitis
Rx predisone 20 mg BID X 7 d for - correct answer ✔✔rhus dermatitis
Rx avoid hot tubs - correct answer ✔✔pseudomonas folliculitis
boil (another term) - correct answer ✔✔furuncle
many furuncles is a - correct answer ✔✔carbuncle
Usual cause of furuncle - correct answer ✔✔staph aureus
severe hot tub folliculitis Rx - correct answer ✔✔Cipro
MRSA Rx - correct answer ✔✔Bactrim, clind, doxy. BCD
not MRSA Rx - correct answer ✔✔Keflex
Cause of impetigo almost always - correct answer ✔✔staph aureus. Very rarely GAStrep
impetigo caused by strep (rare!) can be associated w the sequelae of - correct answer ✔✔post
strep GN, rheumatic fever
erysipelas caused by - correct answer ✔✔Group A hemolytic strep GAS