How to Use an Insulin Pen
Here’s how to use one safely and easily. The sleek design and compact size of insulin pens allow accurate, simplified and convenient insulin delivery. Several, but not all, insulin types are available. Your doctor will determine the best option for you. Pens most often come prefilled and are disposable when empty. A few models may require you to load an insulin cartridge. Possible single-dose amounts range from 1/2 unit up to 80 units, depending on the pen....