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Superficial pyoderma
Folliculitis
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Deep pyoderma
Furunculosis
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Most common bacteria seen in abscesses
Staphylococcus pseudointermedius
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Most common bacteria seen in most furunculosis
Staphylococcus intermedius
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Drugs of choice to treat bacteria in pyodermas
- 1) Cephalosporin (Cephalexin) 1st generation
- 2) Cephalosporin (Cephovacin)
- 3) Amoxicillin with clavulante
- 4) Clindamycin (macrolides)
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Bacteria rarely isolated in pyodermas, that was more common 10 years ago
Staphylococcus aureus
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Bacteria less common in pyodermas
Staphylococcus schleiferi
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Bacteria common in pododermatitis in dogs
Enteroccocus
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3 roles to know with abscesses
- 1) Common clinical signs
- 2) Diagnostic procedures
- 3) Method of therapy
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Signs with abscesses
Pyrexia, inflammation, and anorexia
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Diagnostic procedures with abscesses
- 1) Swab collection
- 2) Biopsy for macerated tissue culture
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Therapy for abscesses
- 1) Drain
- 2) Flush with hydrogen peroxide and antibiotics
- 3) Systemic antibiotic treatment for 2 weeks past recovery
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When doing a bacteria culture two shapes
Rods or cocci
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Disease occurs when normal oral bacterial microflora that are inoculated into skin through puncture wounds
Subcutaneous abscess
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Skin fold dermatitis types
- 1) Facial fold
- 2) Lip fold
- 3) Tail fold
- 4) Vulvar fold
- 5) Body fold
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Superficial bacterial infection on non-haired skin mostly on the abdomen which is common in young dogs prior to puberty
Impetigo
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Impetigo associated with predisposing diseases of other underlying factors such as
- 1) Endoparasitism
- 2) Poor nutrition
- 3) Dirty environment
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Superficial bacterial infection involving hair follicles and adjacent epidermis
Superficial pyoderma
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Bacterial infection induced by trauma (laying on floor, licking). Not acne.
Chin pyoderma
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Not common in dogs/cats, facial bacterial skin infection may be secondary to trauma and insect bites
Nasal pyoderma
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A furunculosis of the feet that is almost always secondary to an underlying factor
Pododermatitis
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4 common things that cause itching
- 1) Fleas
- 2) Food allergy
- 3) Sarcoptic mange
- 4) Atopy (inhalation)
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Flea allergy dermatitis symptoms
- 1) Pruruitis
- 2) Alopecia
- 3) Folliculitis due to scratching
- 4) Hyperpigmentation
- 4) Excoriation/lichenification
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Broad term used to describe different types of allergic skin disorders in dogs/cats, usually inhalant or in dermatitis forms
Cutaneous allergies
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2 main signs of allergic animals
- 1) Scratching
- 2) Chewing on skin
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Cutaneous allergies in dogs/cats can develop their onset from what ages
3 months to 7 years old, usually between 1-3 years.
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Main cutaneous allergies
- 1) Canine atopy
- 2) Canine food hypersensitivity
- 3) Flea allergy dermatitis
- 4) Mosquito bite hypersensitivity
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Symptoms begin as skin erythema and pruritis due to seasonal or non seasonal allergens
Canine atopy
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Immunologically mediated adverse reaction to food or food additive.
Canine food hypersensitivity
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Common skin disease in cats/dogs sensitized to flea bites. Symptoms usually in warmer months.
Flea allergy dermatitis
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Lesions on dogs with flea bite allergy are usually where
Caudal to rib cage, over tail head
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Lesions on cats with flea bite allergy usually where
Around neck and caudal to rib cage
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Common in houston area, lesions occur on bridge of nose and pinnae of ears
Mosquito bite hypersensitivity
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Other cutaneous allergies
- 1) Urticaria and angioedema (hives)
- 2) Feline atopy
- 3) Feline food hypersensitivity
- 4) Canine eosinophilic furunculosis
- 5) Contact dermatitis
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New name for ringworm
Dermatophytosis
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Infection indicating infection of hair shafts and deep layer of the dermis
Dermatomycosis
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Fungi with ringworm called
Keratinophilic fungi
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Tool used to exam microsporum canis
Woods lamp
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Yeast normally found in external ear canals, around mouth and moist skin areas.
Malasseziasis
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Malasseziasis caused by
Malassezia pachydermatitis
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Symptoms with malasseziasis
Black, waxy otitis externa, and hand hyperkeratotic skin
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5 things looking at in ear
- 1) Otodectes mite
- 2) Spinous ear tick
- 3) Bacteria
- 4) Malasseziasis
- 5) Red hooks
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Skin disease which occur with an overpopulation of Demodex canis
Canine localized demodicosis
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Canine localized demodicosis caused by 2 things
- 1) Mite
- 2) Immunosuppresion
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Feline demodicosis caused by 2 things
- 1) Demodex cati, Demodex gatoi
- 2) Immunosuppresion
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Caused by Sarcoptes scabiei, itch mite
Canine scabies
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Feline scabies caused by
Notoedres cati, sarcoptic mite
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Etiology of ear mites
Otodectes cyanosis
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Known as the chigger mite or harvest mite
Trombiculiasis
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Harvest mite
Neotrombicula
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Chigger mite
Eutrombicula
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Infection with sucking or biting lice
Pediculosis
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Sucking lice
- Anoplura
- Linognathus setosus
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Biting lice
Trichodectes canis
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What type of flies lay eggs near rabbit and rodent burrows
Cuterebra flies
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Infection in debilitated animals with dipteran fly larvae, within 24 hrs maggots hatch and migrate through body eating flesh
Myiasis
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American screwworm
Cochliomia hominovorax
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Common flea in dogs/cats
Ctenocephalides felis
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Etiology of rocky mountain spotted fever
Rickettsia rickettsii
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Rocky mountain spotted fever in americas in
March-october
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Rocky mountain spotted fever
Tick-born infection. Enter circulatory system through tick bites and disseminate to organs, and cause vascular damage by replicating in endothelial cells of small vessels
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Tick-borne disease that infects most WBC, RBS and thrombocytes
Canine ehrlichiosis
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Protozoal infection transmitted by certain species of blood sucking sandflies. Develops few months to years after initial infection
Leishmaniasis
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