Monthly doses kill larvae before they can damage the heart and lungs.
While you might see ivermectin "paste" sold over-the-counter at farm supply stores for horses and cattle, These livestock versions are highly concentrated and can easily lead to a life-threatening overdose in smaller pets. Experts at PetMD warn that ivermectin toxicity can cause seizures, blindness, or even coma. The "Hidden" Risks: Herding Breeds buy ivermectin petsmart
Ivermectin for Dogs: Dosages, Side Effects, and More - GoodRx Monthly doses kill larvae before they can damage
You can browse the Dog Dewormers & Heartworm Medicine section, add the item to your cart, and PetSmart will contact your vet to verify the prescription. The "Hidden" Risks: Herding Breeds Ivermectin for Dogs:
Vets may prescribe it to treat mange, ear mites, or scabies .
One of the most interesting (and critical) facts about ivermectin is the . Certain herding breeds—like Collies, Australian Shepherds, and Shetland Sheepdogs —have a genetic quirk that makes them hypersensitive to ivermectin. For these dogs, even a standard dose can sometimes be dangerous, which is why a vet's guidance is non-negotiable. What Does It Actually Treat? At PetSmart, you’re usually buying it for: