CHEWABLEHeartworm

Heartgard Plus Review

95/100

The gold standard heartworm prevention — real beef chewable that dogs think is a treat. Prevents heartworm disease and controls roundworms and hookworms. It's the most prescribed heartworm medication in the US.

$32.99 at CanadaPetCare
Active Ingredient
Ivermectin + Pyrantel
Duration
30 days
Minimum Age
6 weeks+
Retail Price
$39.99 (6-pack)

Pros

  • Real beef chew (dogs eat it willingly)
  • Prevents heartworm + intestinal worms
  • Safe for puppies as young as 6 weeks
  • 40+ year safety record

Cons

  • Requires negative heartworm test first
  • Not for collie breeds sensitive to ivermectin
  • Does NOT treat adult heartworms
  • Monthly dosing required

Who It's Best For

All dogs in heartworm-endemic areas (essentially everywhere in the US). Puppies starting prevention early. Multi-dog households.

Alternatives

Not the right fit? Here are other Heartworm treatments worth considering:

Interceptor Plus Sentinel ProHeart