Credelio Plus Large 11-22kg Green Chewable TabletsKills Ticks and Fleas PLUS protects against heartworm disease & intestinal worms. Credelio Plus is tough on ticks and kills fleas fast! Walking in the bush, playing in the park, or even at home, dogs are at risk of picking up parasites that can make them, and your family sick. Keep them protected from ticks, fleas, demodex mites, heartworm and intestinal worms and with the smallest easy to give chew. Kills Ticks and Fleas PLUS protects against