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While it is important to be able to recognize common complications, with proper management, most pet owners are able to control their pets' diabetes to avoid complications. Ask your veterinarian for guidance on what to do if you suspect any of these complications.

Hypoglycemia Signs

  • Weakness, shaking, or unsteadiness
  • Lethargy or unresponsiveness
  • Seizures


Hypoglycemia occurs when blood glucose levels fall below normal. Very low levels of blood glucose result in a lack of energy source in the blood to properly support the body's cells. Hypoglycemia can be life threatening, so knowing and watching for signs of hypoglycemia is important.

Common Causes of Hypoglycemia

Accidental administration of too much insulin
Not enough food intake with or prior to insulin administration
Vomiting prior to insulin injection
Unusually high amounts of exercise or activity

What To Do If You Suspect Hypoglycemia

Always have corn syrup, table syrup, honey, or sugar dissolved in water on hand. If your pet is hypoglycemic, your goal is to bring its blood glucose back to a safe level. Follow hypoglycemia instructions your vet provided to you and continue to observe your pet. Contact your veterinarian.

Many pet owners find it helpful and comforting to have a blood glucose monitor at home to measure their pet's blood glucose if they suspect hypoglycemia. Click here to learn more about measuring blood glucose at home.