Do not give it ivomec if it has heart worms. It will be dead the next day if it has heartworms and you give it ivomec.
This is just not true at all. Many factors play a role in whether or not it kills the dog such as how bad the worms are and how much u give them. And in my experience in giving it to dogs with heart worms if it kills them its a pretty fast process not a day later. As established on the first page it is what the vet prescribes for heartworms so....