An insulin pen is a device for giving insulin shots. The insulin pen 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.
Current as of: May 23, 2016
Author: Healthwise Staff
Medical Review: E. Gregory Thompson, MD - Internal Medicine & David C.W. Lau, MD, PhD, FRCPC - Endocrinology
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