Use

To prevent canine heartworm disease by eliminating the tissue stage of heartworm larvae (Dirofilaria immitis) for a month (30 days) after infection and for the treatment and control of ascarids (Toxocara canis, Toxascaris leonina) and hookworms (Ancylostoma caninum, Uncinaria stenocephala, Ancylostoma braziliense).

Composition

Each chewable contains:

For Small Dogs	Invermectin BP 68mcg	Pyrantel Pamoate USP equiv to Pyrantel 57mg
For Medium Dogs	Invermectin BP 136mcg	Pyrantel Pamoate USP equiv to Pyrantel 114mg
For Large Dogs	Ivermectin BP 272mcg	Pyrantel Pamoate USP equiv to Pyrantel 227mg

Dosage

The recommended dosing schedule is 1 Chewable per month

Recommended for dogs 6 weeks of age and older.

Administration

Most dogs find Heartz palatable, the product can be offered to the dog by hand. Alternatively, the tablet(s) may be added intact to a small amount of dog food. The tablet(s) shoud be given so that the dog swallows the tablet whole. Care should be taken to ensure the whole dose is taken. Treated animals should be observed for a few minutes after administration to ensure that part of the dose is not lost or spat out. If it is suspected that any of the dose has been lost, redosing is recommended.

Heartz should be given monthly during the period when mosquitoes (vectors) potentially carrying infective heartworm larvae are active. The initial dose must be given within a month (30 days) after the dog's first exposure to mosquitoes. The final dose must be given within a month (30 days) after the dog's last exposure to mosquitoes. If the interval between doses exceeds a month (30 days), the efficacy of ivermectin can be reduced. Therefore, for optimal performance, the tablets must be given once a month on or about the same day of the month. If treatment is delayed. whether for a few days or many, immediate treatment with Heartz and resumption of the recommended dosing regimen minimize the oppertunity for the development of adult heartworms.

Note

All dogs should be tested for existing heartworm infection before starting treatment with Heartz which is not effective against adult D. immitis. Infected dogs must be treated to remove adult heartworms and microfilariae before initiating a programme with Heartz.