What is the most important instruction for a child learning to self-administer a combined dose of isophane suspension and regular insulin subcutaneously?

When instructing a child on how to self-administer a combined dose of isophane suspension and regular insulin subcutaneously, it is crucial to emphasize the correct way to handle the insulin syringes and the importance of proper storage. Storing insulin syringes at room temperature is important because refrigeration can cause the insulin to become less effective, and the syringes themselves can become difficult to use if stored improperly. Room temperature can help ensure that the insulin remains stable and easy to inject.

While other practices, such as alternating injection sites and proper technique for drawing up insulin, are important for effective insulin management, the choice to prioritize the storage of syringes directly impacts the practicality and reliability of the medication's efficacy. Proper storage prevents degradation and maintains insulin's potency, which is critical for managing a child's diabetes. Therefore, understanding and applying this fundamental instruction lays the groundwork for safe and effective self-administration of insulin.