Dietary management is key to managing diabetes in dogs. Here’s a summary of the essential questions and answers that pet owners should know about dietary care.




| Item | Food A | Food B | Food C |
|---|---|---|---|
| Low glycemic index (GI) | Low | Medium | Low |
| Protein ratio | 35% | 30% | 40% |
| Carbohydrate type | Complex carbohydrates | Mixed | Low-sugar complex carbohydrates |
| Contains sugar | False | True | False |
Choose after consulting a veterinarian. Food needs to be adjusted to each individual animal.
Abrupt Dietary Changes Are Dangerous
Abruptly changing a diabetic dog’s diet can disrupt the balance between food intake and insulin, leading to sudden blood sugar fluctuations. Transition to the new diet gradually over several days under veterinary guidance, and adjust the insulin dosage accordingly to match the new meal plan. Be cautious, as sudden changes can trigger either hypoglycemia or hyperglycemia.

Sugar Should Not Be Included in Treats or Dog Food
Never give diabetic dogs food or treats containing sugar or added sugars. Sugar can cause a rapid spike in blood glucose levels and increase the body’s demand for insulin. Always carefully review the ingredient list on pet food packaging and consult with your veterinarian.

A veterinarian who majored in veterinary medicine at Khon Kaen University, Thailand, and completed the IVSA program at North Carolina State University in the United States. Drawing on clinical experience at animal hospitals, he works in the pet healthcare field and is dedicated to building a digital care environment that connects pet parents with veterinarians.
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[1] The Dog Care Handbook, Things I Wish My Vet Had Told Me, 2023
[2] Notes on Canine Internal Medicine, 4th Ed, 2021
[3] Clinical Medicine of the Dog and Cat, 4th Ed, 2020