Heartgard Plus for large dogs (23 to 45 kilograms) is a monthly beef-flavoured chew that prevents heartworm disease while treating and controlling roundworm and hookworm. A trusted choice for large breed dogs requiring reliable internal parasite prevention.

The soft chew format contains ivermectin for heartworm prevention and pyrantel for intestinal worm control, covering roundworm and four species of hookworm. Made with real beef for high palatability, the chew is readily accepted by most dogs. The 6-pack delivers six months of uninterrupted heartworm and worm protection.

Heartgard Plus remains one of Australia's most widely prescribed heartworm preventatives, valued by veterinarians for its well-established safety profile and consistent efficacy across all breed sizes.