infestations and fungal conditions

Question 1

what causes lyme disease and how is it spread

Answer 1

bacteria borrelia burgdoferi, spread by ticks

Question 2

how does lyme disease present and what are some complications

Answer 2

erythema migrans (target rash) –> heart block, nerve palsy, arthritis

Question 3

how do you test for lyme disease

Answer 3

serology

Question 4

how do you treat lyme disease

Answer 4

doxycyline and amoxicllin

Question 5

what causes scabies

Answer 5

sarcoptes scabiei

Question 6

how does scabies present

Answer 6

6 week incubation –> itchy rash and highly contagious

Question 7

how do you treat scabies

Answer 7

malathion lotion or permethrin cream overnight and wash off (benzyl benzoate - not for kids)

Question 8

what lice infect head, body and pubic are

Answer 8

pediculus capitis, pediculus corporis, phthirus pubis

Question 9

how do you treat lice

Answer 9

malathion

Question 10

what does tinea mean

Answer 10

ringworm - fungal dermatophyte

Question 11

what is another term for athletes foot

Answer 11

tinea pedis

Question 12

where does tinea capitis present

Answer 12

scalp

Question 13

where does tinea barbae present

Answer 13

beard

Question 14

where does tinea mannum present

Answer 14

hand

Question 15

where does tinea unguium present

Answer 15

nail

Question 16

where does tinea cruris present

Answer 16

groin

Question 17

what organisms can cause dermatophyte fungal infections

Answer 17

trich rubrum, tricj mentagrophytes, microsporum canis

Question 18

how does ringworm spread

Answer 18

human to human contact

Question 19

how does ringworm spread through the skin

Answer 19

stratum corneum, infects keratinised tissue –> inflamm response in dermis

Question 20

how does ringworm present

Answer 20

itchy and red with a ring appearance

Question 21

what are sources of ringworm

Answer 21

antrophillic (humans), zoophilic (animals), geophilic (soil)

Question 22

how do you diagnose ring worm

Answer 22

wood lamp and skin scrapings

Question 23

how do you treat ringworm

Answer 23

topical clotrimazole
. nail = oral fluclonazole or topical nai polis.
scalp = terbinafine or itrazonacole orally

Question 24

where does candida commonly present and who is it common in

Answer 24

skin folds where area is moist and warm (under breasts, groin, skin folds) - diabetics

Question 25

what are candida mouth symptoms

Answer 25

white lesions that can be scraped off

Question 26

what are candida genital symptoms

Answer 26

white discharge and itch

Question 27

what are candida skin symptoms

Answer 27

itchy, scaly, erythema

Question 28

how do you treat candida

Answer 28

topical clotrimazole or oral nystatin/ fluconazole

Question 29

what causes pityriasis versicolour

Answer 29

yeast infection caused by melassezia

Question 30

where does pityriasis versicolour most commonly occur (climate)

Answer 30

hot, humid

Question 31

how does pityriasis versicolour present

Answer 31

well definised macular lesions with fine scale, hypo/ hyper pigmented - often noticed on holiday

Question 32

where does pityriasis versicolour most commonly occur (body)

Answer 32

back, chest arm

Question 33

how do you treat pityriasis versicolour

Answer 33

topical antifungals eg ketoconazole or selenium sulphide