Korean J Gastrointest Endosc.  2008 Jul;37(1):55-60.

Hyponatremia with Seizure and Mental Change after Oral Sodium Phosphate Bowel Preparation: Report of Two Cases

Affiliations
  • 1Department of Internal Medicine, Ewha Medical Research Institute,Ewha Womans University School of Medicine, Seoul, Korea. shimkn@ewha.ac.kr

Abstract

Oral sodium phosphate is known to be safe and it is widely used as a colon cleansing agent for colonoscopy. Yet several complicated cases with the development of electrolyte imbalance have been reported. We report here on 2 interesting cases: after administration of oral sodium phosphate, one patient presented with hyponatremia (Na, 122 mEq/L) with seizure and the other patient presented with hyponatremia (Na, 120 mEq/L) with a confused mentality. Brain imaging and electroencephalography showed no evidence of other causes for the seizure and mental change. We report here on two cases of hyponatremia with neurologic side effects, and this was all caused by oral sodium phosphate. We also include a review of the relevant literature.

Keyword

Sodium phosphate; Hyponatremia; Seizure

MeSH Terms

Colon
Colonoscopy
Detergents
Electroencephalography
Humans
Hyponatremia
Neuroimaging
Phosphates
Seizures
Sodium
Detergents
Phosphates
Sodium
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