Is Sodium 125 low, normal or dangerous? What does Sodium level 125 mean?

📅 Medical Review Date: November 8, 2025

Your Sodium level of 125 is a Low Sodium level.

Low Sodium levels may indicate underlying health problems. The normal range is typically between 136 mmol/L and 145 mmol/L. If your levels are outside this range, it's important to speak with a healthcare provider. Consulting a doctor is recommended to determine the cause and appropriate next steps.

The normal Sodium range for men is :136 - 145 mmol/L

Ideal values of Sodium depending on age (male) :

Age	Ideal Sodium value
<5 years	137.7
5-10 years	139.421
10-15 years	141.164
15-20 years	142.929
20-25 years	144.716
25-30 years	144.693
30-35 years	144.671
35-40 years	144.648
40-45 years	144.625
45-50 years	144.603
50-55 years	144.581
55-60 years	144.558
60-70 years	144.535
70-80 years	144.513
80-90 years	144.49
90-100 years	144.467
>100 years	144.445

*Ideal values are calculated based on our database of patient records

Get Advice via Email : Send us your blood test report, and our Sodium experts will review it. You'll receive a detailed analysis and personalized treatment guidance via email within 12 hours. If you have additional blood test results besides Sodium, please include those too—an accurate diagnosis often requires a full view of all abnormalities. Upload blood test report now

1,51,150

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If you want your blood test report to be interpreted by Sodium specialist, you can upload your report. Our Sodium expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours.Upload blood test report now

Some examples of conditions that increase or decrease Sodium levels include:

• Conditions that lead to too much anti-diuretic hormone (ADH)
• Cushing syndrome
• Nephrotic syndrome
• Diabetes insipidus
• Excess fluid buildup in the body (edema) caused by heart failure

Receive world-class medical opinion about your low Sodium levels over email.Upload blood test report now

Normal range of Sodium found among women :136-145 mmol/L

Ideal values of Sodium depending on age (female) :

Age	Ideal Sodium value
<5 years	137.751
5-10 years	139.525
10-15 years	141.321
15-20 years	143.141
20-25 years	144.984
25-30 years	144.96
30-35 years	144.936
35-40 years	144.912
40-45 years	144.888
45-50 years	144.864
50-55 years	144.84
55-60 years	144.816
60-70 years	144.792
70-80 years	144.768
80-90 years	144.744
90-100 years	144.72
>100 years	144.696

If you take a Sodium blood test and the results are not in the normal range (136-145 mmol/L), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.

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How the Sodium Test Is Done :

When your doctor orders a Sodium test, it involves a straightforward blood draw to measure your Sodium levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your Sodium test results are usually available within a few hours.

Medical References

• MedlinePlus – Sodium Blood Test
• MedlinePlus – Sodium blood test
• WebMD – Sodium Levels & Sodium Blood Test