Is there a difference in the new flea control products?
Yes there is a difference. The first of the “new” flea control products to come on the market was Program. Program is a pill you give your dog once a month after it eats. Program does not kill adult fleas. It is essentially birth control for fleas preventing their eggs from hatching. Program has recently been combined with a heartworm preventative to form the new pill Sentinel. Sentinel also kills three common intestinal worms. Program/Sentinel works well for dogs that are not allergic to fleas or who do not come in contact with other dogs and cats with fleas. Advantage and Frontline Top Spot came on the market a little later. These are liquids which are applied to the skin on the back of your dog . They do kill adult fleas by blocking nerve endings in the flea without affecting the dog or you. Advantage is applied once a month to control fleas. Frontline Top Spot claims to control fleas for up to three months. Additionally, Frontline Top Spot does help control ticks but only for about