Ectoparasitic Drugs Flashcards
Neonicatinoid Action
Nicotinic acetylcholine (Ach) receptor stimulants
Spastic Paralysis
Neonicatinoid Examples
Imidacloprid - topical application
Nitenpryam - oral tablet
Dinotefuran - spot on
Neonicatinoid licensing
All licenced in Cats/ Dogs
Imidacloprid also licenced in Rabbits
Neonicatinoid Use
All used for fleas
Imidacloprid also used for lice
Organophosphate action
Cholinesterase inhibitor
Flaccid paralysis
Organophosphate example
Diazinon
Used for sheep dip
Organophosphate uses
Wide range of ectoparasites
□ Sheep scab
□ Blow fly larvae
□ Lice
□ Ticks
□ Keds
NOT FLEAS
Organophosphate licensing
Sheep
Phenylpyrrazole Action
GABA inhibitor
Causes spastic paralysis
Phenylpyrrazole example
Fipronil (frontline) - spot on
Phenylpyrrazole Licensing
licensed in cats/dogs
Don’t use in rabbits (toxic)
Phenylpyrrazole Uses
Fleas
Lice
Isoxazoline Action
GABA + chloride channel inhibitors
Spastic Paralysis
CAREFUL IN PATIENTS WITH SEIZURES
Isoxazoline examples
All end ‘-laner’
Fluralaner
Sarolaner
Afoxolaner
lotilaner
Esafoxolaner
Isoxazoline Licensing
All licensed for fleas & ticks
All licensed for cats
ALSO:
Fluralaner - dogs and poultry (redmite)
Sarolaner - dogs
Afoxolaner - dogs
Isoxazoline Uses
All for fleas and ticks (kills not prevents)
Fluralaner
Demodex/Sarcoptes (dogs)
Red mite (poultry)
Sarolaner
Demodex (dogs)
Sarcoptes (dogs)
Otodectes (dogs)
Afoxolaner
Demodex (dogs)
Sarcoptes (dogs)
Macrocyclic lactones Action
Chloride Channel Stimulator
Flaccid paralysis
Prevents AP
Macrocyclic lactones examples
Almost all end ‘-ectin’
Avermectins
* Abamectin
* Ivermectin
* Doramectin
* Eprinomectin
Selamectin
Milbemycins
* Milbemycin
* Moxidectin
Macrocyclic lactones licensing
Ivermectin – toxic to chelonians
Large animals/horses
Birds
Many exotics
Doramectin
Farm animals
Eprinomectin
Farm animals
Selamectin
Dogs/cats
Milbemycin
Dogs/cats
Moxidectin
Dogs/cats
Horses
Farm animals