Is Hemoglobin 4.2 low, normal or dangerous? What does Hemoglobin level 4.2 mean?

📅 Medical Review Date: September 22, 2025

Your Hemoglobin level of 4.2 is a Low Hemoglobin level.

Low Hemoglobin levels may indicate underlying health problems. The normal range is typically between 13 g/dL and 17 g/dL. 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.

Important - Scroll to the end of this article to see how our patients managed their low Hemoglobin levels

The normal Hemoglobin range for men is :13 - 17 g/dL

**Ideal values of Hemoglobin depending on age (male) :**
Age	Ideal Hemoglobin value
<5 years	13.546
5-10 years	14.115
10-15 years	14.708
15-20 years	15.326
20-25 years	15.97
25-30 years	16.641
30-35 years	16.612
35-40 years	16.583
40-45 years	16.553
45-50 years	16.524
50-55 years	16.495
55-60 years	16.466
60-70 years	16.437
70-80 years	16.408
80-90 years	16.379
90-100 years	16.35
>100 years	16.321

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

Get Advice via Email : Send us your blood test report, and our Hemoglobin 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 Hemoglobin, please include those too—an accurate diagnosis often requires a full view of all abnormalities. Upload blood test report now

1,51,150

Total number of patients treated

Important - Read more questions about low Hemoglobin levels after this video message

A video message on the treatment of your low Hemoglobin level

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

Important - At the end of this article read how our patients treated their low Hemoglobin levels

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

Important - At the end of this article read how our patients treated their low Hemoglobin levels

Also Read :How our patients treated their low hemoglobin?

Normal range of Hemoglobin found among women :13-17 g/dL

**Ideal values of Hemoglobin depending on age (female) :**
Age	Ideal Hemoglobin value
<5 years	13.562
5-10 years	14.149
10-15 years	14.761
15-20 years	15.4
20-25 years	16.066
25-30 years	16.761
30-35 years	16.73
35-40 years	16.699
40-45 years	16.667
45-50 years	16.636
50-55 years	16.605
55-60 years	16.574
60-70 years	16.543
70-80 years	16.512
80-90 years	16.481
90-100 years	16.45
>100 years	16.42

Upload your blood test report

If you take a Hemoglobin blood test and the results are not in the normal range (13-17 g/dL), 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.

Important :How our patients treated their low hemoglobin?

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How the Hemoglobin Test Is Done :

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

Hemoglobin treatment - Click to read 10 GOLDEN ARTICLES on Anemia