Dermo Summary Q's Flashcards
Name 3 different topical steroids of increasing potency (+dose)
Dermovate (Clobetasol propionate 0.05%)
Betnovate (betamethasone 0.02%)
Hydrocortisone 1%
a patient with history of eczema, present to GP surgery with vesicular rash over face, what is spot diagnosis?
eczema herpeticum
triggers of atopic eczema (4)
temperature, humidity, stress, ??
what systemic conditions can present as Erythema Nod and Pyoderma Gang?
EN - IBD, Sarcoid, Strep, Prego
PG - RA, UC, PSC, haemo CA
name 5 dermo coniditons assoc with systemic disorder?
PG, EN, dermatitis herpetiformis, aconthiasis nigracans, thyroid acropachy, jaundice, cushings/addisons, acne (pcos)
DDx for skin cancer (4)
solar keratosis, BCC, SCC, lentigo maligna
Pt suspected skin CA, what Investigations, staging and treatment will be done?
I - biopsy stained with melaninA and FNA lymph node
Stage - TNM (breslows, clarkes, sentinal node, ?mets)
T - MOH’s, cryotherapy, chemo if mets
RF for cellulitis
wound, prev surg, obvious puncture site (bites, needle) venous disease, preg??
what abx’s used for necro fas (3)
clindamycin, vanc, ben pen
name 3 precautions/side effects of oral retinoid?
isotretinoin - cant be preg (teratogen) / ??depression / dry lips, dry skin, LFT abnorm
pathway of treating ACNE
OCP, topical retinoids +/- topical ABx’s
–> systemic abx’s –> refer and systemic retinoids
pathway of treating PSORIASIS
topical emollients, steroids, vit D3, coal tar
- -> phototherapy
- -> methotrexate (only really if nail changes/severe)
pathway of treating ECZEMA
topical emollients, steroids +/- anti-hist
–> flares = potent steroids
what drugs can predispose to psoriasis?
B Blockers, anti malarials, lithium
what dermo condition commonly follows a strep throat infection?
guttate psoriasis
patient with severe psoriasis is started on methotrexate, what precautions and advice must be given? (3)
start folate
warn of risk to lungs (do cxray +/- PFT’s)
can cause kidney damage (do U+E’s)
warn of risk of infection (take baseline RBC/WBC count)
how would you manage a patient with ??pyoderma Gang or erythema nod?
PG - topical/oral steroids
EN - bedrest and NSAIDS
how could a patient potentially prevent developing skin ca?
Slip - into long sleeved clothes/ into the shade
Slop - on some suncream
Slap - on a hat
if a patient attends a+e with cellulitis, and systemicly unwell, what medication would you give and what route?
IV Vanc and Ciproflox
oral fluclox if stable
signs of severe burns o/e
soot in mouth, burnt/swollen tongue/oropharynx, hoarseness, singed nose hair, burns not blanching
