Psychiatry Investig.  2012 Mar;9(1):83-84.

Rapid-Onset Hyponatremia Induced by Duloxetine in a Middle-Aged Male with Depression and Somatic Symptoms

Affiliations
  • 1Department of Psychiatry, SMG-SNU Boramae Medical Center, Seoul, Korea. hyjung@snu.ac.kr
  • 2Department of Psychiatry and Behavioral Science, Seoul National University College of Medicine, Seoul, Korea.

Abstract

Duloxetine is a relatively balanced selective serotonin and noradrenaline reuptake inhibitor. We report a case of hyponatremia induced by duloxetine developed rapidly after starting the medication in a middle-aged male with multiple somatic symptoms and depression. Two days after discontinuation of duloxetine and management with hypertonic saline as well as fluid restriction, the serum sodium level normalized. The patient had two risk factors for developing hyponatremia, such as severe body weight loss and pneumonia. Therefore, when treating patients with depression and somatic symptoms, especially with risk factors for developing hyponatremia, close monitoring for clinical and laboratory evidence of hyponatremia may be essential.

Keyword

Duloxetine; Hyponatremia; Middle-aged male; Somatic symptoms; Depression

MeSH Terms

Body Weight
Depression
Humans
Hyponatremia
Male
Norepinephrine
Pneumonia
Risk Factors
Serotonin
Sodium
Thiophenes
Duloxetine Hydrochloride
Norepinephrine
Serotonin
Sodium
Thiophenes
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