A very good product to use for this is Siphotrol Plus House Treatment.
This only takes a couple of minutes and if you find a flea, spray the dog or give it a flea bath with a good quality flea shampoo.
Some types of leukemia can be treated with chemotherapy, but the success really depends on the type of leukemia affecting the dog.
Q. I have a six year old Giant Schnauzer with hypothyriodism and seizuring disorder.
A. It is not uncommon to find only a few veterinarians or clinics that perform cataract surgery on dogs.