An insulin pen is a device that contains insulin. Within the pen are vials or cartridges of insulin that can be delivered manually through a disposable needle. People who are more on the go ...

type or purity of insulin, and management of hypoglycemia. Do not reuse or share pens, needles, cartridges, or syringes between patients, even if the needle is changed. Do not inject into areas of ...

Q: I saw an advertisement in a magazine for a needle-free insulin pen. Can you tell me more about how this works and is it ...