10 - derm - Fungal infections - Infestations

Question 1

2 infestations

Answer 1

scabies and lice

Question 2

lice - 3 places?

Answer 2

head, body, pubic

Question 3

lice - diff between places?

Answer 3

all give pruritis
head - head and scalp papules - live lice indicate active infection
body - due to lice saliva antigens
pubic - may also get to eyebrows,eye lashes

Question 4

mgmt of lice

Answer 4

malathion/permethrin topically - washing powder, shampoo

Question 5

scabies - cause? spread by? most common in?

Answer 5

scabies louse
close contact
kids and young adults

Question 6

scabies features

Answer 6

burrows (esp in finger webs, palms, soles, genitals)

itchy red papules (axillae, groin, abdo)

Question 7

mgmt of scabies

Answer 7

topical insecticides - malathion/permethrin - neck down , wash off after 10 h, treat all close contacts, repeat 1 wk later

Question 8

crusted scabies- what is this? why ? mgmt?

Answer 8

large numbers of mites due to increased scratching - due to eg : disability, immsupp
topical scabicide and ivermethacin