Fleas Fleas can be a major problem and should be treated immediately. Fleas spend the majority of their time off the dog. They are extremely difficult to eliminate. There are several new products available, that prevents fleas from laying viable eggs, thus interrupting the life cycle of the flea. The fleas themselves are not the only problem.
Fleas carry disease and are a host for the tapeworm.
When the dog ingests a flea, the eggs of the tapeworm hatch in the dog's intestinal tract.