I have a 35 lb (16 kg) dog who normally takes Heartgard chewables for dogs sized 26 to 50 lbs (12 to 23 kg). Recently, my larger dog passed away, so I have some extras of the larger Heartgard chewables he used to take, for dogs sized 51 to 100 lbs (23 to 45 kg).

Can I give these larger chewables to my smaller dog? Should I split them in half?


Been splitting them for years, our dogs are only 5 and 9 lb . They passed the heartworm blood tests several times while using split doses of the med. Although I can't say they were exposed to mosquitoes carrying heart worm. I would split your pills ,maybe even into thirds: I think I have split some into thirds,


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