Four to six weeks later, this is followed by two more injections that are given 24 hours apart. [substeps] This treatment kills the adult worms, which will disintegrate over time and be absorbed by your dog's body.
[header] How to treat heartworms in dogs [title] Get injection treatment. [step] The official treatment for heartworms is a medical injection of immiticide (melarsomine). This treatment starts off with one injection given to your dog at the vet.