Glucose and fructosamine tests help us diagnose and manage diabetes. A glucose test shows the blood sugar level at that moment, while fructosamine shows the average over the past few weeks.
For diabetic pets, these tests help us adjust insulin doses safely and keep blood sugar in a healthy range. Signs of diabetes include increased thirst and urination, weight loss and a bigger appetite.
What to Expect During Blood Sugar Testing
Both tests use a small blood sample, usually taken from a leg or neck vein. For pets newly diagnosed with diabetes or those whose insulin is being adjusted, your vet may recommend a blood glucose curve. This means checking blood sugar every few hours over the course of a day to see how high and low the levels go after insulin.
Stress can raise blood sugar, especially in cats, which sometimes makes a single in-clinic reading less reliable. That's one reason fructosamine is so helpful: it reflects the average over the past few weeks and isn't thrown off by a nervous visit. Your vet will let you know whether to feed your pet and give insulin as usual before testing.
Managing Your Diabetic Pet at Home
Most diabetic dogs and cats can live comfortable, active lives with consistent care. A steady routine is the foundation of good blood sugar control, because changes in meals, activity or insulin timing can cause levels to swing. It can feel like a lot at first, but most owners settle into the routine within a few weeks. Your vet will help you build a plan, which often includes:
- Giving insulin at the same times each day, usually with meals
- Feeding a consistent diet in measured amounts
- Keeping exercise regular rather than sudden or intense
- Tracking water intake, urination, appetite and weight
- Knowing the signs of low blood sugar, such as weakness, wobbling or seizures, and calling us right away if they occur
Questions about Glucose & Fructosamine Testing?
Call us or book an appointment online, and our team will help you decide on the next step for your pet.
Glucose & Fructosamine Testing: Frequently Asked Questions
How often does my diabetic pet need blood sugar testing?
Can I monitor my pet's blood sugar at home?
What are the signs of low blood sugar in a diabetic pet?
Can diabetes in cats go into remission?
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