Ectoparasites Flashcards
which drug is a phenylpyrazole
fipronil
how is fipronil adminstered
topical
true or false:
the sebaceous glands can act as a reservoir for the fipronil
true
in what species is fipronil used
cats
dogs
what is the purpose of fipronil
fleas
ticks
biting lice
what is fipronil often combined with
methoprene
which drugs are neonicotinoids
imidacloprid
nitenpyram
how is imidacloprid administered
topical
how is nitenpyram administered
orally
true or false
imidacloprid has effects on larvaw
true
what species are neonicotinoids used in
cats
dogs
what age group should imidacloprid and nitenpyram be used in
> 4 months of age
what is imidacloprid combined with to extend the spectrum to ticks and mosquitos
permethrin
when should nitenpyram be the first choice
when fleas are resistant to fipronil
what is the impact of neonicotinoids on insects
rapid death
how are most macrocyclic lactones administered
pour-on
which 2 macrocyclic lactones have greater epidermal flux
ivermectin
doramectin
which 2 macrocyclic lactones have decreased amount of absorption in the skin
eprinomectin
moxidectin
what macrocyclic lactones mainly used to protect against
ear mites
scabies
demodectic
lice
in which dogs should ivermectin not be used in
animals with MDR1 gene deletion – will cause CNS issues
when should a sub-Q administration be used with macrocyclic lactones
clear otodectic, sarcoptic, notoedric mange
in what species is doramectin used in
beef cattle
pigs
in what species is eprinomectin used in
cattle
in what species is selamectin used in
dogs
cats
what are the 2 milbemycins
moxidectin
milbemycin
how are milbemycin applied
pour-on
true or false:
moxidectin has a milk withdrawal time
false
moxidectin does not have a milk withdrawal time due to the low Vd
in what species is moxidectin used in
cattle
what does moxidectin protect against
lice
mites
horn flies
grubs
in what species is milbemycin used in
ear mites
fleas
which macrocyclic lactone has the slowest absorption into the skin
doramectin
which 2 macrocyclic lactones have no withdrawal time for milk
eprinomectin
moxidectin
what is the 1st generation pyrethroids
allethrin
how is allethrin adminstered
shampoo
what is the 2nd generation pyrethroids
phenothrin
how is phenothrin administered
topical
what is the 3rd generation pyrethroid
permethrin
fenvalerate
how is permethrin administered
spray
pour on
in what species is permethrin used in
dogs
cattle
swine
what is permethrin used to protect against
fleas
ticks
mites
lice
how is fenvalerate administered
ear tag
in what species is fenvalerate used in
cattle
what are the 4th generation pyrethroids
cyfluthrin
cypermethrin
in what species is cyfluthrin used in
cattle
in what species is cypermethrin used in
horses
how is cyfluthrin administered
ear tag
pour - on
how is cypermethrin administered in horses
spray
what is the 5th generation pyrethroid
beta-cyfluthrin
in what species is the 5th generation pyrethroid used in
cattle
how do pyrethrins work
they interfere with the Na channels of the ectoparasite
true or false:
pyrethrins have a repellent effect on flies
true
what are pyrethroids broad spectrum against
fleas
lice
ticks
mites
which types of animals are sensitive to pyrethroids and can be toxic
cats
aquatic animals
what is the main adverse effect of organophosphates
SLUDD
true or false:
organophosphates make great pour on drugs
false
they have minimal penetration through skin
what are the carbamate drugs
carbaryl
propxur
what is the route of administration for carbaryl
shampoo
dust
what is the route of administration for propoxur
flea and tick collar
true or false:
the clinical use is limited for carbamates
true
what can carbamates be used for
fleas
lice
ticks
mites
what are the insect development inhibitors
lufenuron
difubenzuron
how are the insect development inhibitors administered
orally
where are the insect developement inhibitors metabolized and excreted
liver metabolism
bile excretion
which insect development inhibitor used against stable flies
difubenzuron
when would you see the best results from insect development inhibitors
administration with adulticides
insect development inhibitors should not be used in what type of animals
lactating
what is the worst adverse effect of IDI
convulsions in toxic doses
what are the isoxalines
fluralaner
afoxolaner
lotilaner
sarolaner
how are isoxalines administered
oral
which isoxaline can be administered topically
fluralaner
how would you classify isoxalines
insecticidal and acaricidal
what are the adverse effects of isoxalines
seizures
ataxia
shaking
what drug is a formamidine
amitraz
true or false:
amitraz inhibits prostaglandin synthesis
– do not use in pregnant or nursing animals
true
what are the adverse effects of amitraz in horses
sedation
colon obstipation
which species is sensitive to toxicity of amitraz
cats
in what breed of dog can amitraz not be used in
chihuahuas
which drug can be combined with pyrethroids & pyrethrins to enhance their activity
piperonyl butoxide
how is piperonyl butoxide administered
topical
which ectoparasite drug works with pyrethrins and pyrethroids in formulas
diethyl-m-toluamide (DEET)
which drug is used as an anti-itch
oclacitinib (apoquel)
