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Sarcoptic Mange - Coggle Diagram
Sarcoptic Mange
general
contagious
non-seasonal
incubation up ot 30d
rare in cats
zoonotic
caused by
Sarcoptes scabei
var
canis
life cycle 17-21d
etiology
male mites live on skin surface
females burrow into superficial layers to lay eggs
can survive off of host for 2-6d
treatment
negative scrape =/= negative for mange
response to therapy is a diagnostic!
drugs
ivermectin
milbemycin oxime
selamectin (revolution)
Advantage Multi
fluralaner (Bravecto)
treat...
all dogs in contact
environment
cats showing clinical signs
may take 2-3w for response to be noticed
clinical signs
intense pruritis
can start before or after appearance of lesions
dog and people in contact with dog
no corticosteroid response
lesions
locations
elbows
ventral thorax
hocks
ear margins
erythematous papules
scales
thick, yellow-grey crusts
pinnae
elbows
secondary
self-inflicted alopecia
lichenification
hyperpigmentation
can become generalized/chronic
diagnosis
unresponsive to corticosteroids
skin scrapings (50-50 chance at finding)
technique
scrape multiple places
avoid axcoriated areas
target....
ear margins
erythematous papules
capillary bleeding
response to treatment if scraping is negative
pinnal-pedal scratch reflex
