One can go to the vet and get stuff to treat them there or one can medicate them at home using home remedies.
1. oil and iodine
both these methods call for repeat applications so you know you can kill off the mites. the oil drowns them, the iodine helps with healing.
some animals can handle having ivermectin given to them. cats, rabbits etc. just a matter of knowing the weight. If you have oral ivermection you can just drop some into the ear.
you can go to your vet and get some revolution (good for dogs, rabbits etc).