Recently, his sugars have been running too high and my vet has mentioned changing his insulin to
Vetsulin, I think. Is this more effective for a dog than human NPH? Anyone have a pet on it? When he had insulin twice a day his sugar went too low, but that was when we first started him on it. He did great on the 40u NPH once a day, but lately he isn't getting the same results and nothing else has changed. Diet the same, activity the same, etc. He isn't obese, he was when we got him.