DERM 3 Flashcards
chicken pox symptoms infective when when can go back into school cx treatment
fever, itch, macules - papules - vesiscles - scabs - recovery
infective 4d before rash and 5d into onset of rash. can go back into school 5d into rash/lesions crusted over
can be life threatening in immunocomp. encephalitis. secondary bacterial. pneumonitis. scarring
vaccinations in susceptible people calcamine lotion. acyclovir 800mg 5 times a day for 7 days in over 14 yo
neonatal VZV has a high what
secondary to what
rx
mortality
secondary to chicken pox in mother during pregnancy
vaccination
shingles symptoms
treatment
neuralgic pain. vesicles. red. crust. ramsay hunt - otic herpes zoster. facial palsy. irritation of CNs. deafness. vertigo. tinnitus
live attenuated vaccine in over 70s to decrease shingles impact. acyclovir 800mg oral 5 times a day for 7-10 days
orf is what caused by what symptoms ix treatment
virus of the mouth. scabby mouth paradox virus firm fleshy node in hands in farmers clinical diagnosis self limiting
erythema multiform
erythema. mild = bullseye/target lesion 1-3mm
major = SJS -> mucosal involvement
triggered by infection - HSV, pneumonia
drug reaction
lyme disease cause early late ix proph after tick bite treatment in disseminated
ticks
erythema migrans, systemic
HB, nerve palsies, arthritis, meningitis
lab confirmation of late, AB test, blood test
Doxy 200mg single dose in adults
Doxy 100mg BD. Amox in preg
ceftriaxone
mallicosum contagious
common in children firm umbilicate nodule 1-2mm can be sexually transmitted self limiting liquid nitrogen
erythema infectosium
slapped cheek syndrome
paravirus B19
cx: spontaneous abortion, chronic in anaemia in immunosuppression, arthritis in wrists common as rash fades in adults
HSV first thingy
primary gingovituamitis HSV1
blisters, rash at vermillion border, extensive ulceration around mouth. in preschool children
lasts a week. resolves spontaneously
HSV
HSV1 oral lesions 5-% genital. encephalitis
HSV2 more likely to reoccur. 50% genital. disseminated infection. encephalitis
AB tests. swab with viral transport medium
aciclovir
warts caused by what
common in who
treatment
HPV 1-4
common in children
topical salicylic acid cryotherapy
herpangiomas cause who symptoms ix treatment
enterovirus pre school kids blistering rash at back of mouth/soft palate swab. stool sample self limiting
hand foot mouth disease
children family
outbreak common
enteroviruses - coxaschie vA16, enterovirus 71
syphilis
primary painless ulcer seoncdayr - snail track ulcers - rash tertiary - CNS, CV blood test. swab of ulcer penicillin IM
staph aureus causes what
how many have it not doing it any harm
cellulitis impetigo boils and carbuncles would infections infected eczema staphylococcal scalded skin syndrome - treat aggressively with IV fluids and ABs
30% of hospital stage carrying SA
necrotising fasciitis is what symp type 1 type 2 treatment
bacterial spread below skin surface
acute onset. v painful. rapid
type 1: mixed anaerobes and coliform usually post abd surgery
group A strep pyogenes
urgent surgical debridement and ABs depending - on organism
group A strep
cellulitis, impetigo, infected eczema, necrotising fascitis
single room isolation and contact precautions
Group A strep
MRSA
scabies
scabies incubation period symptoms treatment 1 2 when should stay out of school
6w
intensely itchy due to type 4 hs, rash affecting fingernails, wrists, genital areas
Permethrin 5% topical rash wash off after 8-14 hours. do again after 7s
benzyl benzoate - not in children - wash off after 24 hours
stay out of school till treatment
norweignen scabies
chronic crusted scabies - high infectious elderly/immunocomprimised (HIV)
ivermectin
lice symptoms
treatment
phithrus pubic
pedicculus captious - head
pediculus corpus - body
intense rash and pruritus
malathion lotion 0.5%
dimeticone 4%
ringworm head beard hand groin nail symptoms ix
capitus barbae maniom clous ungular nail grows outward and heals in centre clinical appearance - woods lights. skin scarping. nail/hair clipping
treatment of ringworm
clotrimazole 1% or miconazole 2%. 1-3 times a day for 10 days
PO therapy needs for lab proof for harder skin of sole and palms. PO terbinafine 250mg OD for 2-6 weeks
nails need lab proof - PO terbinafine 6-12 weeks fingernail 3-6 months toenail
candida symptoms
candida intertrigo
ix
red moist skin with ragged peeling edges and possibly pustule/papules at margin
infection in skin folds where area is warm and moist
swab is dc is not clear, bacterial infection, treatment not working, or patient immunocomprimising
treatment for candida
topical clotrimazole
steroid cream if itchy/inflam
topical terbinafine
PO floconazole 50mg OD 2-4 weeks - if topical treatment not working, widespread infection or patient imunocomprimised
