Hypoglycemia or low blood sugar is
a common problem with all toy breed puppies including the yorkshire terrier.
Hypoglycemia is the medical term for low blood sugar, which is a condition in
which there is a drastic, sudden drop in the level of blood sugar in the
puppy. In small breed puppies from post-weaning to 4 month of age, the most
common form of hypoglycemia is called Transient Juvenile Hypoglycemia:
“Transient” because the symptoms can be reversed by eating; "Juvenile" because
it is seen in young puppies. Veterinarians unfamiliar with toys often
mis-diagnose the condition as viral hepatitis or encephalitis. As a toy yorkie
breeder or pet owner, it is important to recognize the symptoms of
hypoglycemia and know how to treat it. Hypoglycemia is easily treatable in the
early stages, but fatal if allowed to progress. Many puppies are lost
needlessly to hypoglycemia because of ignorance on the part of their owner or
veterinarian.
It is important to understand that
just because a puppy has an episode of hypoglycemia, it does not mean that the
puppy is truly "hypoglycemic." True hypoglycemia is a chronic condition caused
by overproduction of insulin by the pancreas. Even though the pancreas may
normally function properly, toy puppies can still have an isolated
hypoglycemic incident in reaction to stress or fasting. Pups of any breed are
more likely to develop hypoglycemia than adults, because their skeletal muscle
mass and liver size are smaller and brain size, larger, in proportion to the
rest of their body. Therefore, there is less glucose being put out into the
blood and more being used by the brain, which is dependent upon adequate
glucose in order to function. In small and toy breeds, this discrepancy is
more pronounced. Even a brief period of fasting or stress in a toy breed puppy
can trigger a hypoglycemic "attack. Yorkie puppies with Transient Juvenile
Hypoglycemia have normal liver size and function, but inadequate glucose
precursors or glucose in its stored form (body fat). Hypoglycemic incidents
are almost always preceded by a stress of some kind. Some examples of common
stresses include: weaning, teething, vaccinations, a change in environment,
shipping, over-handling, cold temperatures, intestinal parasites, infections,
anorexia, etc. Many yorkie puppies simply play too hard and stress their system or
forget to eat. I have heard of young males experiencing hypoglycemia when a
female in heat is around. They become so worked up over the female that they
do not eat and their blood sugar drops.
The first sign of hypoglycemia is
the yorkshire terrier puppy slowing down and then acting listless. The puppy
will then begin to tremble or shiver. This is a reaction caused as the brain
is starved for glucose. More signs of an attack are a weakness, confusion,
wobbly gait, frothing or drooling from the mouth - sometimes even a seizure
and drain of blood from the head. His body will be limp, lifeless, and a check
of the gums will show them to be pale, almost a grayish white in color rather
than a healthy bright pink.. The body temperature will be subnormal. After a
time, the puppy will become comatose and may even appear to be dead. The puppy
can go into shock and, if not cared for properly and promptly, may even die.
If Yorkie hypoglycemia is caught in the early stages, rub
Nutri-Cal (Caro syrup will do if you have no Nutri-Cal) on the puppy's gums,
under the tongue, and on the roof of the mouth. Get a heating pad or heating
blanket and slowly warm the puppy to proper body temperature. If the puppy
responds, all is well. Feed a quality, canned food containing,
high-carbohydrates and protein right away (you may want to mix it with egg
yolk) and then monitor the puppy to be sure that the condition does not recur.
Be sure to eliminate the stress that caused the episode if at all possible.
If Yorkie hypoglycemia is caught in the more advanced
stages, rub Nutri-Cal or Caro in the mouth, and carefully insert a small
amount in the rectum. Slowly warm the puppy to normal body temperature
(101-102 degrees F) and keep him warm continuously with light heat. If the
yorkie puppy still does not respond, carefully eye dropper dextrose solution or Caro
water into the mouth, a little at a time only if the dog can swallow. Call
your veterinarian immediately and inform him that you have a hypoglycemic
yorkie puppy.
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