4th April 2024

A 27-year-old lady presented to the clinic with nocturia and increasing thirst

A 27-year-old lady presented to the clinic with nocturia and increasing thirst. She is known to have epilepsy and bipolar disorder. Her recent blood test showed her HbA1c was 39. Her sodium level was 159 and potassium 5.4. Her urine osmolality was 248mOsmol/kg. She has been started on a new medication two weeks ago. Which medication could be causing her symptoms?

Select the SINGLE most appropriate option from the list below. Select ONE option only.