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Reply To: heartworm meds year round in the north?

December 5, 2014 at 6:41 am #59396 Report Abuse
InkedMarie
Member

I’m in NH. I give the last dose in October & start up again in May. This is what my holistic vet recommends. She does yearly heartworm testing.

One of my regular vets tells me I can test every other year.