Sodium (Na) in Urine

Urinary Sodium

What Affects the Test

Reasons you may not be able to have the test or why the results may not be helpful include:

• Taking medicines, such as birth control pills, corticosteroids, antibiotics, estrogens, tricyclic antidepressants, heparin, nonsteroidal anti-inflammatory drugs (NSAIDs), diuretics, lithium, and many medicines used to treat high blood pressure.
• Having high levels of glucose, triglycerides, or protein.
• Getting sodium in intravenous (IV) fluids given during a recent surgery or hospitalization.

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Author:	Jan Nissl, RN, BS	Last Updated: November 17, 2006
Medical Review:	Martin Gabica, MD - Family Medicine Avery L. Seifert, MD - Urology
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