I am updating my article on the usefulness of the SDMA kidney test.
If your vet  has followed SDMA levels in your pet, perhaps you would 
share those values with me. RSH email
Not every dog or cat with an itch problem has a flea problem. But so many do that you need to be 100% certain that there are no fleas in your pet's life. The best way to do that is with a monthly application of a topical flea-control product.