Insulin pen

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.

Last Updated: September 24, 2008

Author: Caroline Rea, RN, BS, MS

Medical Review: Caroline S. Rhoads, MD - Internal Medicine & Matthew I. Kim, MD - Endocrinology & Metabolism

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