Your cat has vanished from inside the house. He either got outside when you opened the door and you weren't quick enough to catch him, or he
Yes, you can use Frontline and Revolution together. Frontline is pretty good with both fleas and ticks and fairly water repellent. For really tough tick situations in dogs I reach for the Preventick collar.
Revolution is very effective for Heartworm prevention but very average for fleas and below average for ticks in my opinion.


