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Symptoms
By Mayo Clinic staffHyponatremia signs and symptoms may include:
- Nausea and vomiting
- Headache
- Confusion
- Loss of energy
- Fatigue
- Restlessness and irritability
- Muscle weakness, spasms or cramps
- Seizures
- Unconsciousness
- Coma
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.
References
- Hyponatremia. The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merckmanuals.com/professional/print/sec12/ch156/ch156d.html. Accessed May 7, 2011.
- Ball SG. Hyponatremia. Journal of the Royal College of Physicians of Edinburgh. 2010;40:240.
- Sterns RH. Causes of hyponatremia. http://www.uptodate.com/home/index.html. Accessed May 3, 2011.
- Lien YH, et al. Hyponatremia: Clinical diagnosis and management. American Journal of Medicine. 2007;120:653.
- Drezner JA, et al. Sports medicine. In: Rakel RE. Textbook of Family Medicine. 7th ed. Philadelphia, Pa.: Saunders Elsevier; 2007. http://www.mdconsult.com/das/book/body/191205553-4/0/1481/0.html#. Accessed May 8, 2011.
- Goh KP. Management of hyponatremia. American Family Physician. 2004;69:2387.
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