What is Sodium in Urine?

Sodium is an important electrolyte (a mineral in your blood and other bodily fluids) that helps your body and cells function. It helps your body regulate how much fluid it retains.

Sodium has significant effects on the blood pressure and cell to cell communication. Abnormal values indicate mineral imbalance and are correlated with kidney and adrenal function.

Low levels:

Low sodium levels in the urine could indicate:

-Diarrhea and fluid loss
-Kidney problems
-Too much hormone released by adrenal glands, which is called hyperaldosteronism
-Heart failure (when your heart muscle is weakened and can’t pump enough blood to your body)
-Liver disease or scarring, called cirrhosis

High levels:

High levels may contribute to high blood pressure and may be related to low aldosterone levels.

High sodium levels in the urine could indicate:

-Use of water pills
-Too much salt in your diet
-Low function of the adrenal glands, which are in your kidneys
-Inflammation of your kidneys
-Hypothyroidism, caused by an under-active thyroid gland


The information on is NOT intended to replace a one-on-one relationship with a qualified health care professional and is not intended as medical advice.

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