What you're looking for is "sheep drench". Liquid ivermectin, very little needed per dose for dogs and iIs the active ingredient in canine heart worm pills. $35 8oz bottle will expire before you can use it all on small and medium dogs, and beats the $60 a month heart worm pills. One drop on a biscuit for my 80 lb pooch. Don't personally know human dosage calculations, though it's by weight for dogs.

What you're looking for is "sheep drench". Liquid, very little needed per dose for dogs and iIs the active ingredient in canine heart worm pills. $35 8oz bottle will expire before you can use it all on small and medium dogs, and beats the $60 a month heart worm pills. One drop on a biscuit for my 80 lb pooch. Don't personally know human dosage calculations, though it's by weight for dogs.