Most people with type 2 diabetes may need one injection per day without any diabetes pills. Sometimes diabetes pills stop working, and people with type 2 diabetes will start with two injections per day of two different types of insulin. They may progress to three or four injections per day. Insulin Delivery Insulin is usually injected using a syringe. Insulin pens and pump therapy is also used.
Some insulin pens contain a cartridge of insulin that is inserted into the pen.
Some pens are pre-filled with insulin and are discarded after use. The insulin dose is dialed on the pen, and the insulin is injected through a needle, much like using a syringe. Cartridges and pre-filled pens only contain one type of insulin. Two injections must be given with an insulin pen if using two types of insulin. You can use it to predict and avoid low or high blood sugar levels.