I'm getting the impression Frontline may not be working so well for Luke anymore. Twice this year, he has gotten worms. The vet thought tapes, and I have no idea how they could be uncertain if I put the worms in the bag when I gave them the poop. I've never seen fleas on him, and he was never itchy, but I have to wonder if maybe he picked up just a few fleas and got worms. I also pulled three ticks off him last night. I've never pulled a tick off him before. We did walk in a park on Monday night, but he pretty much stayed on the path, and didn't go into the grass or wooded areas really. In the neighborhood, we have cut grass, and the common areas are pesticide treated. I'm not entirely sure what else I can use on him. We have a cat, so I think Advantix is out?