Natural Treatment for a Dog with a Flea Allergy

“This is Toby. He is 10 years old, and still has the terrier attitude! 5 or 6 years ago, Toby developed an allergy to fleas. The vet was really no help with the things he would prescribe. So, we suffered through with Benadryl and hydrocortisone. I hated using those. This year has been a bad