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1: Rev Med Chil. 1999 Mar;127(3):337-40. Related Articles, Links

[Severe hyponatremia during treatment with fluoxetine]

[Article in Spanish]

Miranda M, Armijo G, Miranda P.

Unidad de Neurologia, Hospital Felix Bulnes, Chile.

Serotonin reuptake inhibitors, used as antidepressants, may cause hyponatremia due to a syndrome of inappropriate antidiuretic hormone, specially in elders. Thirty cases with such complication have been reported in the last six years. We report a 76 years old female with a hypertensive cardiopathy and paroxysmal atrial fibrillation treated with amlodipine and sotalol. Five days after starting fluoxetine, the patient presented with a confusional state, gait instability and tremor. Laboratory assessment disclosed a plasma sodium of 115 meq/L. Fluoxetine was discontinued and fluids were restricted. The clinical condition of the patient improved and hyponatremia abated. Hyponatremia must be born in mind as a potential side effect of serotonin reuptake inhibitors.

Publication Types:
  • Case Reports

PMID: 10436720 [PubMed - indexed for MEDLINE]