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Low Blood Sugar in Puppies

Learn About Low Blood Sugar and Hypoglycemia in Puppies

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Low Blood Sugar in Puppies

Toy breed puppies like this Yorkshire Terrier are most prone for low blood sugar problems.

Image © RickieB-Flickr

Low blood sugar can affect puppies much more often than adult dogs, even when your puppy is healthy, so it's important to learn about low blood sugar symptoms and what to do. The technical term is hypoglycemia, and happens most often with adult pets that suffer from diabetes. Sugar moves into the cells with the help of insulin, and too much insulin can cause hypoglycemia.

Puppies almost never have diabetes, but can develop low blood sugar due to intestinal parasites that compromise digestion. Very small puppies, especially Toy breeds like the Chihuahua or Pomeranian, are so tiny, they have very few fat stores. Fat is body fuel, and when there’s not enough, the blood sugar levels fall. Adult pets can make up this difference when their liver churns out the necessary sugar. But immature livers can’t manufacture enough necessary sugar and as a result, these tiny pups develop hypoglycemia.

What Are Low Blood Sugar Symptoms?

The signs of low blood sugar can be vague. It’s important to watch out for them especially if your puppy is a tiny breed that’s most susceptible. Without enough sugar, the puppy’s heartbeat rate and breathing slows down and that triggers a cascade effect of other symptoms. Be alert for any one or combination of the following signs.

  • The puppy acts weak.
  • The puppy becomes sleepy.
  • The puppy seems disoriented.
  • He develops a wobbly “drunk” gait.
  • His eyes look ‘glassy’ and unfocussed.
  • The puppy starts to twitch, shake or tremble/shiver.
  • His head tilts to one side.
  • He develops seizures.
  • The puppy falls unconscious and can’t be wakened.

Without prompt help and first aid, your puppy could die. But fortunately, when you recognize the signs early in the process, low blood sugar is easy to treat and reverse at home.

In almost all cases, the puppy will respond very quickly to treatment, within five or ten minutes. However, it treatment doesn’t reverse the symptoms within this time frame take your puppy to the veterinarian immediately as something else could have caused the signs. Even when your baby dog responds quickly it’s a good idea to have the vet check your puppy sometime that day to be sure everything is as it should be.

First Aid for Hypoglycemia

When you catch the symptoms early and treat with first aid immediately, most puppies are fine. But without prompt help puppies can fall into a coma, and their breathing and/or heartbeat may stop. Refer to the articles on rescue breathing and puppy CPR to save your pet’s life.

For All Symptoms. When the blood sugar drops, puppies can’t regulate their body temperature. It’s important to keep him warm until the glucose level rises enough to burn for energy. Wrap your puppy in a blanket, and snuggle him with a hot water bottle or heating pad. This can also slow down the effects of shock.

For Sleepy/Woozy Behavior. Getting sugar into the puppy will counteract all these symptoms. Often, you’ll notice the wooziness when it’s been a while since the puppy’s last meal. So as soon as you notice puppy woozy behavior, offer him something to eat. Make it something smelly and yummy that you know he’ll eagerly snarf up, like a tablespoon or two of canned food.

For Drunk/Shivery Behavior. A highly concentrated sugar source like Karo syrup, pancake syrup or honey can work even more quickly. Just be sure your puppy is still able to swallow before giving him about a teaspoonful of the sugar source. If he’s very groggy, offer a bit of water first and if he won’t lap it up, give some with a syringe. Check to be sure he swallows, and then offer the syrup. He should be able to lap it up from the spoon.

For Seizures/Unconscious. Refer to the tips outlined in the article about seizures in puppies. Once the seizure has finished, or when the puppy has fallen unconscious, you can still administer a sugar source. He doesn’t need to swallow. It will be absorbed directly through the mucus membranes in the puppy’s mouth and transferred into the bloodstream. Honey works best for this. Rub the honey on the inside of his lips and gums, and watch for recovery in five to 15 minutes. You can drive your puppy to the vet clinic during this period.

Preventing Low Blood Sugar

When your puppy has suffered from a bout of hypoglycemia, you’ll know to be alert for the signs of low blood sugar in the future. You can also take steps to prevent the problem, especially if your puppy is a high-risk pet.

  • Add two tablespoons Karo syrup to your puppy’s water for all day sipping. Be sure to dump out and add fresh each day or the sugar water could grow bacteria.
  • Schedule several meals every day. Toy breed adults and any young puppy have trouble eating enough food at one setting. So a small meal several times a day helps keep the blood sugar levels normal.
  • Provide dry food out all the time, in a puzzle toy ball, for intermittent snacking. You can measure this amount, too, and regulate how much the pup gets to help keep him slim, prevent puppy obesity, but provide health blood sugar levels.

Most adult dogs won’t have problems with hypoglycemia. However, playing and running too hard without rest can cause low blood sugar even in adults that are not Toy breed dogs. It’s up to pet parents to stay watchful and make sure the puppy and maturing dog eat right and maintain healthy food habits.

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