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©The Author(s) 2025.
World J Crit Care Med. Dec 9, 2025; 14(4): 108370
Published online Dec 9, 2025. doi: 10.5492/wjccm.v14.i4.108370
Table 5 Key effects of desmopressin on sodium
Effect
How it happens
Clinical impact
Lowers sodium levels (hyponatremia risk)Retains water, diluting sodiumRisk of dilutional hyponatremia if fluid intake is not controlled
Stabilizes sodium correction in SIADHSlows rapid sodium rise by promoting water retentionPrevents osmotic demyelination syndrome
Does not directly alter sodium excretionPrimarily affects water balance, not sodium transportSodium levels change due to dilution effects


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