06 - feline demodicosis

Question 1

1. caused by what?

Answer 1

1. demodex cati

Question 2

(localized form)

1. lesions are what?
2. affect where mostly?
3. may see what without any other lesions?

Answer 2

1. variably pruritic alopecic areas

(erythema and scaling may also be present)

2. nose, eyelids, periocular skin
3. otitis

Question 3

(generalized form)

1. like localized but more body regions affected
2. generalized form usually associated with what?

Answer 3

2. systemic dz and immunodeficiency state

Question 4

(diagnosis)

1. what do you do?

Answer 4

1. skin scrapings

(also do mdb, + test for FIV/FeLV)

Question 5

ddx?

Answer 5

dermatophytosis, pyoderma (rare in cats), causes of miliary dermatitis, causes of pruritis

Question 6

(treatment)

1. for localized?
2. for generalized?

Answer 6

1. lime sulfur dip/spray
2. treat undelrying, lime sulfur dip

(no consistent successful tx reported)

Question 7

(demodox gatoi)

1. how different than other demodex?
2. another way its different?
3. another way its different?

Answer 7

1. not follicular, lives in stratum corneum
2. contagious to other cats
3. pruritic

Question 8

(demodex gatoi - dx)

1. how to dx?

Answer 8

1. broad superficial scrapings

(neg doesn’t rule out for pruritic cats)

Question 9

(demodex gatoi - tx)

1. tx?

Answer 9

1. lime sulfur dips

(treat all cats in household)