Before administering hydrochlorothiazide (HydroDIURIL) to a patient with type 1 diabetes, which information is most important for the nurse to communicate?

When administering hydrochlorothiazide (HydroDIURIL) to a patient with type 1 diabetes, it is crucial to understand the interaction between thiazide diuretics and insulin pharmacodynamics. Hydrochlorothiazide can lead to hyperglycemia by reducing the insulin secretion from the pancreas or by impairing glucose tolerance. Therefore, for patients with type 1 diabetes who rely on insulin for blood glucose control, there may be a need to adjust their insulin dosage.

Understanding that the insulin dose may need to be increased is essential because if the patient experiences elevated blood glucose levels due to the effects of the diuretic, it may result in poor glycemic control. This adjustment is necessary to prevent potential complications associated with hyperglycemia.

While monitoring the patient’s blood pressure, dietary potassium levels, and weight changes are important considerations in treatment, the most critical information for managing diabetes in this context is the possible requirement to modify insulin therapy. This approach helps ensure that the patient maintains stable blood glucose levels while being treated with hydrochlorothiazide.