Bruises sometimes develop when an injection is given. Don’t worry. They don’t matter and won’t affect the insulin. They are more likely to occur if your child tenses up during the injection. Try to have him relax.

The plunger gets stuck

Occasionally the plunger gets stuck as you are giving the insulin before it is all injected.

This can happen but it is rare. It is more likely to happen if you give the injection of insulin too slowly. Try rotating the plunger in the barrel of the syringe and then pressing further. Try withdrawing a little and then pressing further. If you put pressure on the plunger and force the insulin, be sure to steady the needle on the syringe if it is a type of syringe that does not have the needle set into the hub.

You may have to take the needle out and push the rest of the insulin into another spot.

A broken needle

The needle breaks off while injecting. Do not panic. It is not so very serious.

Keep your child still, not moving the part you injected. If a small bit of the needle is poking out of the skin, grasp it with forceps and pull it out.

If you fail, put an antiseptic on the skin, make a mark where the needle is and note the direction it was pointing when you were injecting.

Contact your doctor. He may decide to leave it, as there are some places when a small particle of needle does not matter. However if you marked where the needle is and the direction it was pointing it will be easier for him to find it.


A tender red lump develops during the day following the injection.

This means there is inflammation, possibly due to infection. Put an antiseptic on the area, and avoid injecting there for a few days. If it does not settle down in the next day, contact your doctor.


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