What important information should a nurse convey to a patient with a history of diabetes receiving hydrochlorothiazide?

Hydrochlorothiazide, a thiazide diuretic, is known to potentially elevate blood sugar levels. For patients with a history of diabetes, this is a critical piece of information because managing blood glucose is vital to prevent complications associated with diabetes. Thiazide diuretics can induce hyperglycemia by decreasing insulin sensitivity and affecting glucose metabolism. Therefore, patients need to be aware that while they may be taking this medication for conditions like hypertension, it could inadvertently complicate their diabetes management by raising their blood sugar levels.

Moreover, understanding the effect of hydrochlorothiazide on blood sugar levels will allow the patient and healthcare team to monitor glucose more closely and adjust diabetes management strategies as needed, such as insulin dosing or dietary modifications. This is especially important for those patients who are already on medication for diabetes, as they may need additional support or adjustments to maintain target glycemic levels.