SymptomsBy Mayo Clinic staff
Hyponatremia signs and symptoms may include:
- Nausea and vomiting
- Loss of energy
- Restlessness and irritability
- Muscle weakness, spasms or cramps
When to see a doctor
If you have a medical condition that increases your risk of hyponatremia, or you have other risk factors for hyponatremia, such as participating in high-intensity activities, and you have the signs and symptoms of low blood sodium, see your doctor.
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