infestations and fungal conditions Flashcards
what causes lyme disease and how is it spread
bacteria borrelia burgdoferi, spread by ticks
how does lyme disease present and what are some complications
erythema migrans (target rash) –> heart block, nerve palsy, arthritis
how do you test for lyme disease
serology
how do you treat lyme disease
doxycyline and amoxicllin
what causes scabies
sarcoptes scabiei
how does scabies present
6 week incubation –> itchy rash and highly contagious
how do you treat scabies
malathion lotion or permethrin cream overnight and wash off (benzyl benzoate - not for kids)
what lice infect head, body and pubic are
pediculus capitis, pediculus corporis, phthirus pubis
how do you treat lice
malathion
what does tinea mean
ringworm - fungal dermatophyte
what is another term for athletes foot
tinea pedis
where does tinea capitis present
scalp
where does tinea barbae present
beard
where does tinea mannum present
hand
where does tinea unguium present
nail
where does tinea cruris present
groin
what organisms can cause dermatophyte fungal infections
trich rubrum, tricj mentagrophytes, microsporum canis
how does ringworm spread
human to human contact
how does ringworm spread through the skin
stratum corneum, infects keratinised tissue –> inflamm response in dermis
how does ringworm present
itchy and red with a ring appearance
what are sources of ringworm
antrophillic (humans), zoophilic (animals), geophilic (soil)
how do you diagnose ring worm
wood lamp and skin scrapings
how do you treat ringworm
topical clotrimazole
. nail = oral fluclonazole or topical nai polis.
scalp = terbinafine or itrazonacole orally
where does candida commonly present and who is it common in
skin folds where area is moist and warm (under breasts, groin, skin folds) - diabetics
what are candida mouth symptoms
white lesions that can be scraped off
what are candida genital symptoms
white discharge and itch
what are candida skin symptoms
itchy, scaly, erythema
how do you treat candida
topical clotrimazole or oral nystatin/ fluconazole
what causes pityriasis versicolour
yeast infection caused by melassezia
where does pityriasis versicolour most commonly occur (climate)
hot, humid
how does pityriasis versicolour present
well definised macular lesions with fine scale, hypo/ hyper pigmented - often noticed on holiday
where does pityriasis versicolour most commonly occur (body)
back, chest arm
how do you treat pityriasis versicolour
topical antifungals eg ketoconazole or selenium sulphide
