An insulin pen is a device for giving insulin shots. It looks like a pen. Inside the pen is a needle and a cartridge filled with insulin. You can set the dose of insulin with a dial on the outside of the pen. You use the pen to give the insulin shot. Both disposable and reusable insulin pens are available.
Don't share insulin pens with anyone else who uses insulin. Even when the needle is changed, an insulin pen can carry bacteria or blood that can make another person sick.
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Current as of:
May 23, 2016
Adam Husney, MD - Family Medicine
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