The nurse is preparing discharge teaching for an older patient receiving insulin injections for diabetes. What should the nurse teach the patient about the insulin?

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Insulin injection sites should be rotated systematically to prevent lipodystrophy, which is a disorder of fat metabolism that can occur if insulin is repeatedly injected into the same site. Keeping insulin refrigerated at all times is not necessary once a vial is in use, though unopened vials should be stored in the fridge. Increasing insulin before exercise can lead to hypoglycemia, as exercise increases insulin sensitivity. Ketones in the urine actually indicate that there is not enough insulin, and the body is breaking down fat for energy, which can lead to diabetic ketoacidosis if not addressed.

The Nurse Is Preparing Discharge Teaching for an Older Patient