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Understanding
Low Blood Sugar
Hypoglycemia or low blood
sugar occurs when blood glucose drops to a point where
the patient becomes confused and disoriented. This low
level varies from person to person, however some health
professionals say any blood sugar level below 70 mg/dl
is low. Still, others put the "trigger level"
at 60mg/dl.
Hypoglycemia can affect
insulin-dependent and noninsulin-dependent diabetics.
Type 1 is more at risk and safety is vitally important.
To keep safe, patients should talk with their doctors
about where their sugar levels should be.
Prevention is the best
treatment for hypoglycemic reactions. Although levels
vary, if sugar levels stay around 80 to 120mg/dl, low
blood sugar reactions won't happen.
"Frequent blood
glucose monitoring is the best way to prevent symptoms
of low blood sugar," says Dr. Evelyn Crayton, a
foods and nutrition specialist with the Alabama
Cooperative Extension System.
Another way is to know
your body. By observing your low blood sugar patterns,
and learning how much medication and food your body
needs, you can make the necessary changes to prevent a
reaction.
"It's not wise to
wait for symptoms of low sugar to appear to occur. Too
often, these reactions occur with little or no
warning," she says.
Almost every diabetic,
especially those who use insulin, occasionally
experience a low blood sugar reaction. Common causes
include straying from a prescribed diet, skipping meals,
taking too much insulin or oral medication, and not
eating enough. Alcohol and certain drugs, such as
sedatives and beta blockers, also can bring on a
reaction.
Symptoms of low blood
sugar can be divided into two stages. The first stage
usually includes shakiness, sweating, nervousness, a
fast pulse, dizziness, headache and
pale skin color. The
second stage includes sudden mood or behavior changes,
confusion, poor coordination, difficulty in speaking and
sometimes unconsciousness.
Unfortunately, some
diabetics have hypoglycemia unawareness and cannot sense
when a reaction is coming or if a reaction is in
progress. By the time symptoms manifest, these
individuals may be too disoriented to help themselves. A
diabetic in this condition, while still conscious and
able to swallow, needs a concentrated, refined sugar
product immediately.
There are a variety of
products available. Many diabetics carry sugar cubes or
glucose tablets with them. Four small sugar cubes equal
about 16 grams of sugar. These products and even cake
icing all act quickly, but they burn off quickly too.
One inexpensive and tasty way to prevent a hypoglycemia
low is to eat Lifesavers. Six of the candies add up to
15 grams of sugar and provide the same dose as four
glucose tablets
"Never use diet
drinks, insulin or sugar-free candy to combat low blood
glucose levels, says Crayton. "They provide no
benefit and anything containing aspertame actually slows
the absorption of sugar. Candy bars with chocolate or
nuts also should not be used because they work too
slowly. Their high fat content slows absorption of
sugars in the blood."
Once sugar products have
been taken and low blood sugar symptoms have cleared,
eat food containing complex carbohydrates, such as milk,
fruit, crackers or a peanut butter sandwich. "Milk
is particularly good," says Crayton, "because
it contains a simple sugar, lactose and proteins. These
foods help prevent hypoglycemia from reoccuring."
Complex carbohydrates
enter the blood more slowly than refined sugar, but
their effects last longer, helping reestablish normal
blood sugar levels. Don't overeat! You don't want to
drive your blood sugar above 300mg/dl. If a blood
glucose monitor is available, recheck blood sugars 15 to
30 minutes after treatment.
Occasionally type 2
diabetics experience a hypoglycemic low. If an
individual is taking oral medication alone or in
conjunction with a sulfonylurea, oral glucose tablets or
milk are recommended. Table sugar is not an effective
treatment.
A hypoglycemic reaction
is an emergency situation. Educate your family members,
coworkers and friends as to what to do when you cannot
help yourself. Discuss the symptoms and make sure
someone always knows where you keep the sugar snacks.
Diabetics walk a thin
line between high and low blood sugar. To keep diabetes
under control, diabetics must follow a recommended diet
and exercise plan and take the proper dosage of
medication, on time.
Source: Dr. Evelyn
Crayton, Foods and Nutrition Specialist, Alabama
Cooperative Extension System, (334) 844-2224
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