05 August 2025
: Case report 
Recurrent Severe Hyponatremia Following Polyethylene Glycol Electrolyte Lavage Solution with Ascorbic Acid in a Patient with Undiagnosed Syndrome of Inappropriate Antidiuretic Hormone Secretion
Unusual clinical course, Challenging differential diagnosis, Diagnostic / therapeutic accidents, Management of emergency care, Adverse events of drug therapy, Educational Purpose (only if useful for a systematic review or synthesis)
Koichi Soga
ABCDEFG 1*, Yuto Suzuki BE 1, Fuki Hayakawa BE 1, Takeshi Fujiwara BE 1, Takahiro Ota BE 1, Ikuhiro Kobori BE 1, Masaya Tamano BE 1
DOI: 10.12659/AJCR.948355
Am J Case Rep 2025; 26:e948355
Table 3 Differences in PEG-ELS/Asc and PEG-ELS.
| PEG-ELS/Asc | PEG-ELS | |
|---|---|---|
| 2 L | 2 L | |
| 244.212 g per bag | 137.155 g per bag | |
| Sodium chloride | 5.382 g | 2.93 g |
| Potassium chloride | 2.03 g | 1.485 g |
| Sodium sulfate | 15.0 g | 11.37 g |
| Macrogol 4000 (polyethylene glycol) | 200.0 g | 118 g |
| Ascorbic acid | 9.4 g | |
| L-sodium ascorbate | 11.8 g | |
| Na | 182 mEq/L | 125 mEq/L |
| K | 14 mEq/L | 10 mEq/L |
| pH | 4.3 | 8 |
| Osmotic pressure ratio (plasma) | 1.9 | 1 |
| K – potassium; Na – sodium; PEG-ELS – polyethylene glycol electrolyte lavage solution; PEG-ELS/Asc – polyethylene glycol electrolyte lavage solution with ascorbic acid. | ||