How do I know if my dog's blood sugar is too low?
James Olson
Updated on May 24, 2026
Clinical signs may include altered mentation and behavior, seizures, syncope, muscle twitching/fasciculations, somnolence, exercise intolerance, muscle tremors, collapse, ataxia, weakness, and impaired vision.
People also ask, how do I know if my dog has low blood sugar?
Signs of hypoglycemia are loss of appetite, extreme lethargy, lack of coordination, trembling, muscle twitching, weakness, seizures, and discoloration of skin and gums. Most dogs will not eat or drink when they are in low sugar shock.
Additionally, why is my dog's glucose low? Inadequate nutrition in kittens and toy breed puppies. Extreme exertion (seen in hunting dogs and high-performing sport dogs) Over-treatment (too much insulin) of diabetes mellitus (also called sugar diabetes) Some types of tumors, especially a tumor of the pancreas, called an islet cell tumor or insulinoma.
Correspondingly, what can I give my dog if he has low blood sugar?
A highly concentrated sugar source like Karo syrup, pancake syrup or honey can work. Just be sure your puppy is still able to swallow before giving about a teaspoonful of the sugar source. If the dog is very groggy, offer a bit of water first. You can use a syringe if the dog doesn't lap up the sugar water.
What is a dogs blood sugar supposed to be?
Normal blood glucose levels in dogs and cats are similar to those in humans, about 80-120 mg/dl (4.4-6.6 mmol/L). Animals whose blood glucose levels are in this range will look and act normal.
Related Question Answers
Does hypoglycemia go away?
Hypoglycemia caused by sulfonylurea or long-acting insulin can take one to two days to go away. People with diabetes remain at risk for episodes of hypoglycemia throughout life because they need medications that lower blood sugar.How long does dog hypoglycemia last?
The hypoglycemic effects can persist for well over 24 hours2 and after large overdoses may last 72 hours. Oral exposure to insulin does not cause hypoglycemia.Can you check a dog's blood sugar with a human meter?
Sometimes, pet owners choose to use human blood glucose meters versus a pet glucometer, which are created and calibrated for measuring the concentration of glucose in a human's blood. When a human blood glucose meter is used for a dog or cat, it assumes human blood composition to calculate glucose levels.How is Addison's disease diagnosed in dogs?
Diagnosis is based on your pet's medical history, including any medications, clinical signs, and the results of common blood and urine tests, most notably electrolyte imbalances. The most definitive diagnostic test for Addison's disease is the ACTH-stimulation test.What are the side effects of too little insulin in dogs?
Serious side effects due to low blood sugar levels include weakness, lack of energy, shaking, head tilting, sleepiness, incoordination, stumbling, seizures, blindness, abnormal behavior, restlessness, twitching, or coma.What causes low blood sugar?
Possible causes, with diabetesBut too much insulin or other diabetes medications may cause your blood sugar level to drop too low, causing hypoglycemia. Hypoglycemia can also occur if you eat less than usual after taking diabetes medication, or if you exercise more than you normally do.
How many seizures can a dog have before it dies?
Yet, several seizures in a row or a seizure that lasts longer than five minutes is considered an emergency situation that can be life-threatening. Call your vet immediately. The occurrence of more than three seizures in a 24-hour period is also an urgent matter that requires a trip to the vet right away.Is Sugar OK for dogs?
Sugary Foods and DrinksToo much sugar can do the same thing to dogs that it does to people. It can make your dog overweight and cause problems with their teeth. It can even lead to diabetes.
