The first thing that will have to be done is an evaluation of your dog and what treatment is necessary to stabilize them for treatment for heartworms and then the elimination of all the heartworms and larvae.
The adult heartworms will be killed first, then comes the larvae and the microfilaria. Both have to kill with different treatments. There are side effects that can happen that are very dangerous to your dog while ridding them of the adult heartworm. As the adult heartworms die they can become lodged in the arteries. The arteries are already inflamed by the presence of these worms but as the worms decompose the arteries can become more inflamed and your dog will need to be watched carefully for things like this that may occur during treatment.
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