In this section we compare all of the leading dog and cat medications against each other. It can be very confusing trying to figure out what product does what. So we have made it easier for you here. We take 2 pet medications and put them head to head to see which one comes out on top. All of the different flea, tick, heartworm and worming treatments do different things, so this section will make it that much easier in figuring out what product is the best. Even experts have a hard time remembering what products treat for what exactly. But when treating your pet it is very important that you give your animal exactly what they need, because there is no one size fits all when it comes to pet meds as everyone is in a different situation.