This section is split into seven topics, which you can work through sequentially.

The aim of this section is to provide an overview of how the insulins are classified based on their duration of action, constitution or concentration.

- T1: Why are there so many types of insulin available for use?
- T2: How are the insulins commonly classified?
- T3: Other ways of classifying insulins
- T4: When are different insulins used together?
- T5: Carlos: Adaptation and Treatment
- T6: Summary
- T7: Test yourself

By the end of the section, you should be able to:

• Understand how manufactured insulins are classified
• Understand the rationale for deciding which insulin class is the most appropriate depending on the clinical circumstances
• Understand and appreciate that different insulin classes can be used together when treating diabetes