TOPICALHeartworm

Advantage Multi Review

87/100

The only topical that prevents heartworm AND kills fleas — ideal for dogs that refuse oral medications. Also treats roundworms, hookworms, whipworms, and sarcoptic mange.

$69.99 at Chewy
Active Ingredient
Imidacloprid + Moxidectin
Duration
30 days
Minimum Age
7 weeks+ and 3 lbs+
Retail Price
$82.99 (6-pack)

Pros

  • Only topical heartworm prevention available
  • Kills fleas AND prevents heartworm
  • Treats sarcoptic mange
  • Good for dogs that won't take pills

Cons

  • Greasy application spot
  • Requires prescription
  • Must wait 24 hours before bathing
  • More expensive than oral options

Who It's Best For

Dogs that refuse oral medications. Dogs needing both heartworm and flea coverage in one product. Dogs with mange.

Alternatives

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