Lecture 7 Flashcards
What is canine scabies caused by
Sarcoptes scabiei, lots of variations
Is scabies zoonotic
Yes!
Sarcoptes life cycle
3 weeks
Male mites live on skin surface
Females burrow into stratum corneum
Eggs, larva, nymphs, adult
How is sarcoptes transmitted
Direct contact
Pathgogenesis of pruritus
Hypersensitivity
Mechanic irritation
Saliva and feces are pruritic
Clin signs of scabies in dog
Intense pruritus in areas with little hair (ventral abdomen, pinnae, hocks, elbows)
Papules
Clin signs of chronic scabies in dog
Hyperpigmentation
Lymphadenopathy
Weight loss
Hyperglobulinemia
Norwegian scabies
Rare form
Thick crusts
Numerous mites but little pruritus
Seen in immunosuppressed animals
Scabies incognito
Well groomed animals
Intense pruritus
No lesions
Diagnoses of scabies
Superficial skin scraping
Clin signs
Response to treatment
Treatment of scabies
Topical: Lime dip Selamectim Fipronil Moxidectin
Oral:
Ivermectin
Milbemycin
Bravecto, nexgard, simparica
Why is phosmet no longer recommended
Frequent resistance
What causes feline scabies
Notoedres
Zoonotic, rare, 21 day life cycle
Clin signs of feline scabies
Extreme pruritus
Erythemia, crusting, papules, head and neck
Therapy for feline scabies
Lymdip
Revolution
Ivermectin
Bravecto
What is cheyletiella
Obligate parasite
“Walking dandruff”
Transient zoonosis
Clin signs in dogs of cheyletiella
Usually puppies
Scaling and pruritus dorsally
Diagnosis of cheyletiella
Combing
Superficial skin scraping
Cellophane tape impression
Treatment of cheyletiella
Pyrethrin Lymedip Ivermectin Selamectin Fipronil **not in rabbits
What is pediculosis
Lice- biting or sucking
Not zoonotic
Diagnosis of pediculosis
Physcial ID of lice and eggs
Brush or acetate tape impression
Treatment of pediculosis
Clip coat of long haired animals
Pyrethrin
Fipronil
Lymdip
