Some insulin pens are designed to be used with an insulin cartridge. These pens are meant to be reused. Insulin pens that do not come with separate insulin cartridges are disposable, and the insulin is prefilled inside the pen. When you prepare to take
insulin, check the label on the bottle (vial), the disposable pen, or the cartridge for the refillable pen for the:
Also, check the bottle, pen, or cartridge for cracks or chips. Look for
changes in the appearance of the insulin that can indicate it will not work,
July 11, 2013
E. Gregory Thompson, MD - Internal Medicine
& David C.W. Lau, MD, PhD, FRCPC - Endocrinology
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