Product details:

chewables kill the immature form of the heartworm (Dirofilaria immitis). They also treat and control adult hookworms (Ancylostoma caninum), roundworms (ascarids - Toxocara canis and Toxascaris leonina), whipworms (Trichuris vulpis), and tapeworms. In addition, chewables control flea populations by breaking the flea lifecycle in both the egg and larval stages.