Join Date: Jan 2011
Location: California's Central Coast
Do you give your dog Heartworm preventative year round?
The last dose of Heartgard I gave Molly seemed to make her lethargic. I was concerned and found this is a common side effect but then found an article that states a monthly dose of this stuff is not necessary depending on where you live in the U.S. Looking at the maps at the bottom of this link it suggests I use heartworm preventatives June through Dec for our region in CA, and I wondered if anyone else stops the meds during the winter and non-mosquito months?
Unknown Facts about Dog Heartworms