Hyponatremia

Definition:
Hyponatremia is a low concentration of sodium in the blood. Symptoms of hyponatremia include:

• confusion
• drowsiness / tiredness
• dry mouth
• increased thirst
• lack of energy
• not passing much urine
• (if very severe) convulsions (seizures)
• (if very severe) coma

Hyponatremia may occur as a rare side effect of several medications, including:

• Prozac / fluoxetine
• Celexa / citalopram
• Paxil / paroxetine
• Zoloft / sertraline
• Trileptal / oxcarbazepine

A low concentration of sodium in the blood can be dangerous for persons taking Lithium. See Lithium: Major Precautions and Warnings.

Pronunciation:
high-po-nuh-TREE-mee-uh

Also Known As: Low blood sodium