non-viral skin infections Flashcards
describe syphilis in its primary stage
chancre at sit of entry (painless ulcer)
describe syphilis in its secondary stage
red rash over body, prominent on soles, pals
mucous membrane “snail track” ulcers
describe syphilis in its tertiary stage
CNS symptoms
cardio symptoms
etc
what is the investigation for syphilis
blood test
swab chancre for PCR
what is the treatment for syphilis
penicillin
what causes syphilis
sexually transmitted infection by treponema pallidum
what is Necrotising fasciitis
bacterial infection spreading along fascial planes below the skin surface resulting in rapid skin destruction
what is the are the types of Necrotising fasciitis, what cause them
type 1 = mixed anaerobes and coliforms (usually post surgery)
type 2 = group A strep infections
what are the symptoms of Necrotising fasciitis
little to see
severe pain
what is the treatment of Necrotising fasciitis
urgent surgical opinion and debridement
what is erysipelas
localised cellulitis, acute infection of the upper dermis and superficial lymphatics
what causes erysipelas
group A beta strep
what are the symptoms of erysipelas
raised and demarcated rash that is more superficial than cellulitis
where are candida infections most common
skin folds where it is warm and moist
what is candida infections
fungal skin infection