
Insulin pens: Types, benefits, and how to use them
Insulin pens are used by people with diabetes to inject insulin. The pens include an insulin cartridge, a dial to measure dosage, and a disposable needle.
Insulin pens are growing in popularity. They allow insulin to be delivered in a more simple, accurate, and convenient way than the vial and syringe method.
Contents of this article:
Types of insulin pen
There are several different brands and models of insulin pen available. Most fall into two distinct categories: disposable and reusable.
A disposable pen: this contains a prefilled insulin cartridge. Once used, the entire pen unit is thrown away.
A reusable pen: this contains a replaceable insulin cartridge. Once empty, the cartridge is discarded and a new one put in.
A new disposable needle must be used every time insulin is injected. With proper care, reusable insulin pens can last for several years.
Choosing an insulin pen
The brand, model, and category of pen used will depend on several factors. It is important to discuss this with a doctor before purchase.
Some general factors about the pen to consider include:
type and brand of insulin available
size of the insulin dose it can hold
increments by which the dose of insulin can be adjusted
material and durability (if reusable)
how it indicates remaining insulin levels
ability to correct dose levels that are put in wrong
size of the numbers on the dose dial
level of dexterity required to use the pen
Benefits
Research has highlighted the benefits of using insulin pens, particularly prefilled disposable pens. People with diabetes are happier using insulin pens than the via
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