21st May 2025

Presentation

It is important to note that patients with long-term, chronic hyponatraemia are often asymptomatic. However, the symptoms to look out for, especially in patients with acute changes to serum sodium levels include: 

• nausea
• vomiting
• confusion
• muscle cramping
• cognitive impairment
• gait disturbances
• depression
• tremors 
• hallucinations
• respiratory depression
• coma