Which monitoring action is critical after administering desmopressin for diabetes insipidus?

Monitoring urine output is critical after administering desmopressin for diabetes insipidus because this medication is designed to decrease excessive urination by promoting water reabsorption in the kidneys. In patients with diabetes insipidus, the kidneys are unable to concentrate urine effectively, leading to significant fluid loss and thirst.

When desmopressin is administered, one of the main therapeutic goals is to reduce polyuria (excessive urination) and to ensure that the patient achieves better fluid balance. Evaluating urine output provides direct insight into how well the body is responding to the medication and whether it is effectively controlling the symptoms of diabetes insipidus.

This monitoring helps to prevent potential complications such as dehydration or fluid overload. Additionally, practitioners can make necessary adjustments to medication dosing or fluid management based on changes in urine output observed after treatment.