Discussion of a clinical case of antidepressant-induced hyponatremia

Question from a Member: I have an elderly patient in her 70s who developed hyponatremia on citalopram, being treated for anxiety. I switched her to mirtazapine and titrated her up to 15 mg/day but her depression/anxiety worsened and she has been gaining weight and she wants to stop the mirtazapine. Some of this may be…