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INSULIN INJECTION
KNOW-HOW
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american association of Diabetes educators
Supported by BD Diabetes Care
1
pro tips (and tricks) for easier and
better Insulin Injections
WHERE IS THE BEST PLACE TO GIVE INJECTIONS?
Insulin and other injected diabetes
medications are meant to be deliv-
ered into the fat layer just under
the skin. Popular injection sites
include the abdomen (staying two
fi ngers or a few inches away from
the belly button), outer thighs, hips,
upper buttocks, lower back, and
backs of the arms. Modern insulin
products are well absorbed and act
about the same regardless of where
they are injected. However, for best
results it is important to stick with a
consistent body part for your
injections in order to avoid varia-
tions in insulin action. Ultimately,
the choice is up to you. Select a
part of your body that you can see,
reach, and access easily. But be
sure to use a number of diff erent
ABDOMEN
THIGHS
BUTTOCKS
ARMS
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recommended injection sites
Supported by BD Diabetes Care
2
American Association of Diabetes Educators
insulin injection
know-how
pro tips and
tricks for easier
and better
insulin injections
2
spots within that body part. This is
called “rotating” injection sites.
Injecting into the same spot too
oft en can cause skin problems and
can impair insulin absorption.
For example, if you choose to use
your abdomen, rotate injection
spots on a daily basis like these:
With this type of pattern, you’ll stay
on the left side of your abdomen for
12 days and then switch to the right
side for 12 days. That way, each spot
has 24 days to “heal” before you
use it again! Regardless of which
body part and rotation pattern you
choose, avoid spots on your skin
that have scar tissue, moles, swell-
ing/infl ammation, or unusual
changes in appearance or texture.
ABDOMEN
THIGHS
BUTTOCKS
ARMS
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6
11
2
7
12
3
8
13
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6
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7
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3
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recommended way to rotate injection sites.
Supported by BD Diabetes Care
3
American Association of Diabetes Educators
insulin injection
know-how
pro tips and
tricks for easier
and better
insulin injections
3
Do I have to keep my InsulIn
refrIgerateD all the tIme?
Yes and no. Insulin is a large protein
molecule that breaks down gradu-
ally when exposed to warm temper-
atures. It is best to keep your extra
insulin and other injected diabetes
medications refrigerated. However,
once you begin to use a vial or pen,
it is usually fine to keep it at room
temperature for up to a month. Do
not store your insulin near extreme
heat (above 86°) or extreme cold
(below 36°). (3) Never store insulin
in the freezer, direct sunlight, or in
the glove compartment of a car.
All insulin vials and pens should be
replaced monthly, if not more often,
to ensure that they are working at
full potency. Be sure to check the
expiration date before opening the
box, and do not use insulin past its
expiration date without your physi-
cian’s approval. Examine the insulin
closely to make sure it looks normal.
Clear insulin should not have
crystals or discoloration, and cloudy
insulin should not have clumps or
pieces stuck to the sides of the
vial/pen.
Is there a trIck for
rememberIng to take
my InjectIons?
Missed injections (or taking injec-
tions much too late) can cause
serious blood sugar control prob-
lems. Research has shown that
missing just one insulin injection
per week can raise your A1c by
more than 0.5%!
here are some techniques for
helping you to remember to take
your injections:
Attitude is important, so take
your diabetes seriously!
Write down your injection doses
after taking them
Use reminder alarms on a watch
or cellular phone
Take your injection at the same
time that you perform another
daily ritual, such as taking oral
medication or brushing your
teeth
Keep your injection materials in
a strategic location so that you
notice them at the right times
If you take insulin at mealtimes,
take it before eating (with your
doctor’s approval).
pro tips and
tricks for easier
and better
insulin injections
Supported by BD Diabetes Care
4
American Association of Diabetes Educators
insulin injection
know-how
pro tips and
tricks for easier
and better
insulin injections
4
Inject your insulin at room
temperature. Cold insulin has a
tendency to sting. When using a
pen or vial for the first time,
take it out of the fridge a half
hour early so that it has time to
warm up to room temperature.
Relax the muscles in the area
where you are injecting. Tense
muscles make the nerves in the
area more sensitive.
Pinch the area where you will
inject so that the skin surface is
hard. This ensures a quick, clean
injection. A quick needle
insertion causes the least
amount of pain.
If you clean your skin with an
alcohol pad, wait until it has dried
completely before you inject.
Doses of 30 units or more may
cause pressure to build up
under the skin. Ask your physi-
cian if you can split large doses.
Avoid injecting into sensitive
muscle by using a short needle
(6mm or less).
Choose the thinnest needle
possible. Remember, the
higher the gauge, the thinner
the needle.
Is It necessary to mIx Insu-
lIn before InjectIng It?
In general, clear insulin does not
need to be mixed before injecting.
This includes Regular insulin,
rapid-acting insulin analogs (aspart,
lispro and glulisine) and long-acting
basal insulin (glargine and detemir).
However, any vial or pen that
contains NPH — including premixed
formulations such as 75/25 and
70/30 — must be mixed until they
are uniformly cloudy before inject-
ing. The best way to ensure an even
mixture is to roll the pen or vial
between your palms ten times, then
inspect to make sure there are no
“clumps” settling at the bottom.
Injecting insulin that is not properly
mixed can result is serious high or
low blood sugar.
how can I keep the
InjectIons from hurtIng?
In most cases, insulin injections hurt
very little, if at all. However, there
are a few things you can do to make
the injections as painless as
possible:
Use fresh needles for each
injection. Even after just one or
two uses, syringe and pen
needles can become dull. Sharp
needles cause the least amount
of trauma to the skin.
Supported by BD Diabetes Care
5
American Association of Diabetes Educators
insulin injection
know-how
pro tips and
tricks for easier
and better
insulin injections
5
4.
After removing the needle, put
mild pressure on the injection
site (with a clean finger) for
5-8 seconds.
Is It ok to throw my useD
neeDles In the trash?
There are two things to consider
when it comes to disposing sharp
objects such as syringes, pen
needles and lancets:
local ordinances
Every municipality has its own rules
about the handling of medical
waste. Check with your local
department of sanitation for details.
Each state also has established
guidelines regarding sharps dis-
posal. The Centers for Disease
Control (CDC) has more informa-
tion about safe needle disposal in
your area: www.cdc.gov/
needledisposal.
the safety of those around you
Being a responsible person with
diabetes means taking steps to
ensure the safety of family, friends,
domestic employees, sanitation
workers and yes, even pets. Acci-
dental needle sticks can produce
serious pain and infections. One
way to protect those around you is
to place your used syringes, pen
needles and lancets in a non-clear
heavy-duty plastic jug with a secure
screw-on cap. Don’t bother recap-
If pain persists despite using
these techniques, try rubbing
ice on your skin for a few min-
utes before injecting, or ask
your doctor about using an
injection port instead of inject-
ing directly into your skin.
what shoulD I Do If InsulIn
leaks out after the
InjectIon?
Occasionally, insulin may leak out of
the skin after you remove the
needle, even if you have left the
needle in the skin for 5-10 seconds.
Research has shown that the
amount of insulin lost in these
situations is usually minimal and will
probably not affect blood sugar
control. Unless large drops appear
that run down your skin, you should
not have to worry about replacing
what is lost.
However, to ensure accurate and
consistent dosing, it is best to do
what you can to prevent leakage.
Here are a few tricks:
1.
When injecting, release the
“pinch” on your skin before
pressing down on the plunger.
2.
Keep the needle in your skin a
few seconds longer than usual.
3.
If leakage occurs often, insert
the needle and inject at a
45-degree angle rather than
going straight into the skin.
Supported by BD Diabetes Care
6
American Association of Diabetes Educators
insulin injection
know-how
pro tips and
tricks for easier
and better
insulin injections
6
absorption/action and no increase
in leakage back onto the skin
surface. Glucose control does not
suffer when switching from long to
short needles, even in those who
are obese. Needles that are too
long can cause accidental injection
into muscle, which alters the normal
action of the medication and can be
quite painful.
For these reasons, most healthcare
organizations now recommend the
use of shorter needles. Rarely is
there a medical reason to use
needles longer than 6mm. For
those with a great deal of fat
below the skin, use of short
needles also eliminates the
need to pinch the skin when
administering the injection.
ping the needles… just throw them
into the jug, and keep the jug in an
out-of-the-way place. When the jug
is full, seal the cap with strong tape
and dispose according to local
regulations (usually it is OK to just
place in your normal trash). When
traveling, bring a smaller container
with you for your used items, and
bring it home with you for safe
disposal.
Another way to protect those
around you is to purchase and use a
device that clips, catches, and
contains the needles. Do not break
the needles off with your fingers, as
you can easily stick yourself. And do
not use scissors to clip off needles
— the flying needle could hurt
someone or become lost.
are longer neeDles better
than shorter neeDles?
Good news! In almost all cases,
shorter needles are better than
longer ones. For insulin to work, it
only needs to get into the fat layer
below the skin. While the amount of
fat varies from person to person,
skin thickness tends to be about the
same — around 2mm. So needles
that are at least 4mm long do the
job quite well, producing normal
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