microbiology Flashcards
most common type of dermatophyte fungus
trichophyton rubrum
what kind of tissues do dermatophyte infections affect?
keratinised only
dermatophyte infection
dx?
rx?
Dx:
woods light
skin scrapings for m+c
Rx: CLOTRIMAZOLE cream amorolifine (topical nail paint) if worse .. terbinafine orally itraconazole
what toxins can staph aureus produce
PVL
SSSST - staph scalded skin syndrome toxin
enterotoxin
staph and strep
which are gram +ve cocci?
BOTH
staph - clusters
strep - chains
what types of strep are alpha haemolytic
strep pneumoniae
strep viridans
non haemolytic strep
enterococcus species - commensals of bowel
what needs single room isolation? (3 things)
GAS
scabies
MRSA
what are scabies mites called?
sarcoptes scabiei
what type of scabies is highly infectious
chronic crusted - ‘norweigan scabies’
what areas does scabies commonly affect
finger webs
genitals
wrists
treatment for scabies
malathion lotion overnight to whole body benzyl benzoate (AVOID IN KIDS)
treatment for candida
clotrimazole cream
oral fluconazole
treatment for lice
malathion