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Originally Posted by Ellie May  Hmm, come to think about it, it's monthly. It's the new "slow kill" method which doesn't really kill anything at all and always disease to progress. It's supposed to weaken them. Standard of care is still definitely Immiticide in most cases.
Now I'm more confused. One Ivermectin shot a year for heartworms? |
The only way it is recommended to do that is if a dog cannot withstand the treatment; and, yes you are correct, it will not kill the adult heartworms.
I think the OP has it wrong...there is no heartworm treatment like that. There is no ivermectin injection and certainly not once/year. I am sure the vet told her to get the rabies again in a year...maybe even the other vaccine; but not the ivermectin which I suspect was really immiticide.