How often should I take my English Toy Terrier (Black & Tan) to the vet? A How often should I take my English Toy Terrier (Black & Tan) to the vet? Category: English Toy Terrier (Black & Tan) English Toy Terriers (Black & Tan) should have an annual check-up with the vet, and they should be vaccinated and dewormed as recommended by the vet.