Prevents heartworm infection.
Controls roundworm, whipworm, hookworm and tapeworm.
Prevents and controls flea long term.
Controls flea allergy dermatitis.
Sentinel Spectrum for large dogs monthly treatment with Sentinel Spectrum Tasty Chews for large dogs prevents heartworm(Dirofilaria) infection. It controls adult roundworm(trichuris vulpis), adult hookworm (Ancylostoma caninum), adult tapeworm (echinococcus granulosus, taenia piriformis, Dipylidium caninum) infection. Sentinel also provides long term protection and control of flea infestations and control of flea allergy dermatitis (Ctenocephalides felis) in dogs between 22 and 45 kg body weight. It is a preventive treatment. It does not kill adult fleas, use fine combs and brushes to get rid of them and Malaseb shampoo!