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Flea Allergy - Coggle Diagram
Flea Allergy
signs
papules
crusts
self-induced alopecia
:cat:
miliary dermatitis
sites
lumbo-sarcal region
tail base
caudal and medial aspects of hind legs
abdominal and inguinal
secondary problems
acute moist dermatitis aka "hot spots"
pyoderma
seborrhea/scales
treatment
insect development inhibitor
three-prong approach
treat house
treat yard
treat all pets
flea control
adulticides
do not use isoxazolines in animals with seizure history :forbidden:
corticosteroids
reduce itch
use with flea control
do not use injectables! :forbidden:
insect growth regulators
do not use permethrin in cats! :forbidden::cat:
pathogenesis
hypersensitivity
I
IV
late-onset IgE-mediate response
basophil rxn
rxn to flea
saliva
intermittent exposure
1st exposure to fleas is later in life
atopic dermatitis
general
most common pruritic skin dz in warm climates
Ctenocephalides feis
adults only are permanent ectoparasites
actively feeding adults will not survive more than 4d off of host
3 larval stages
3-4w life cycle
diagnosis
presence of fleas/flea feces
not a rule-out
intradermal testing not req'd