Hyponatremia (Low Blood Sodium) - Diagnosis

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What tests or exams led to a diagnosis of low blood sodium?

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How is hyponatremia (low blood sodium) diagnosed?

The symptoms of hyponatremia are nonspecific, so a blood test measuring the sodium level is required to confirm the diagnosis of hyponatremia. Sometimes the medical history (such as prolonged vomiting or excessive sweating) will suggest the diagnosis. In other cases, further blood tests, urine tests, and imaging studies may be needed in order to determine the exact cause of the hyponatremia.

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Comment from: Evie, 75 or over Female (Caregiver) Published: March 26

I'm 82, and I drink lots of water to try to prevent dehydration, and this may be the cause of my low sodium (132 with range of 136-145). In doing a little research, I found that putting 1/4 tsp. of sea salt in each quart of water, and sipping this fairly constantly throughout the day is a help. Also, only 4 oz. of water can be absorbed at a time, so drinking no more than 4 oz. at a time might help keep sodium and hydration up.

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Comment from: john, 19-24 Male (Caregiver) Published: May 18

I embarked on drinking too much water for some months. When I drink I will go and urinate constantly but now I have headache. It started in the last 3 days, I don't know may be it is hyponatremia or just normal headache of malaria.

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