This research is to determine the use of insulin pens compared to syringe and vial therapy in adults newly begun on insulin therapy during their hospital stay.

This research is to determine the use of insulin pens compared to syringe and vial therapy in adults newly begun on insulin therapy during their hospital stay. Patients will have no prior experience using insulin or other self-administered injectable medicine. The study will examine which method of administering insulin reduces dosing errors, causes a lower incidence of low blood sugars, increases adherence to therapy and with which method patients are more satisfied.

Inclusion Criteria:

• Adult in hospital and diagnosed with diabetes; must have no prior experience using insulin or other self-administered injectable medicine. they must be able to prepare an injection and to self administer the insulin using either a pen device or syringe and vial. They must be willing to monitor their blood sugar three times per day and keep a diary of their sugar measurements and insulin doses.

Exclusion Criteria:

• Previously treated with injectable medicine

Adults newly begun on insulin therapy during their hospital stay.