Anti-diabetic drugs treat the disease by lowering blood sugar levels. Examples of these are insulin, exenatide, and pramlintide. The different types are selected based on the nature of the diabetes, the age of the patient, and other factors.

Insulin is usually given by either injection or by insulin pump; it may also be given intravenously. There are four types of insulin separated by the rate of which they can metabolize.

Sensitizers are another form of anti-diabetic drugs. They address the insulin resistance that occurs primarily in Type II diabetes. Biguanides are one type of sensitizer which works by reducing hepatic glucose output and increase the uptake of glucose. They have adverse affects in patients that have an impaired liver or kidney problems. Metformin is most commonly used in this class, and is the best choice if people are at risk of heart failure.

Thiazolidinediones is another type of synthesizer. It …