Ann
Moderator
My vet thinks Advantix works best on ticks, but he recommends Frontline (not the Frontline Plus) for dogs with compromised immune systems if you have to use a chemical. Hope this helps!
BTW nothing is foolproof, and even when you use these, you can still find ticks on your dog...
BTW nothing is foolproof, and even when you use these, you can still find ticks on your dog...
