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Originally Posted by lynsul  Our vet told us it isn’t necessary to take meds for heart worm. He said they test every year for it and if there’s a problem they can deal with it. |
In the United States it is absolutely necessary. The way they treat heartworms is by giving your dog poison to kill the worms and in most cases it leaves the dogs with lasting heart issues. The dog also has to be on create rest the whole times.