I use heartgard and know a lot of people who use it with small dogs and it is actually the safest one as per my vet. I was nervous giving it to my youngest when she was 3 pounds but I was reassured by my vet and friends with smaller yorkies that it was fine. There is also interceptor.
__________________  Taylor  My babies Joey, Penny , Ollie & Dixie   Callie Mae, you will forever be in my heart! |