What causes high RBC and low Hemoglobin?

High RBC and low Hemoglobin can be caused by many reasons.

If your RBC is in between 4.5 mil/uL and 5.5 mil/uL and your Hemoglobin is in between 13 g/dL and 17 g/dL then you need not worry as these are the normal ranges for RBC and Hemoglobin respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Some examples of conditions that can increase or decrease RBC levels include:

• Sudden (acute) or chronic bleeding from the digestive tract
• Kidney failure—severe and chronic kidney diseases lead to decreased production of erythropoietin
• Bone marrow damage
• Conditions that cause red blood cells to be destroyed, such as hemolytic anemia caused by autoimmunity or defects in the red cell itself
• Chronic bleeding from the digestive tract

RBC treatment - Click to read 10 GOLDEN ARTICLES on Anemia

Normal range of RBC : 4.5 - 5.5 mil/uL

Ideal values of RBC depending on age :

Age	Ideal RBC value
<5 years	4.635
5-10 years	4.774
10-15 years	4.917
15-20 years	5.065
20-25 years	5.217
25-30 years	5.374
30-35 years	5.369
35-40 years	5.364
40-45 years	5.359
45-50 years	5.354
50-55 years	5.35
55-60 years	5.346
60-70 years	5.341
70-80 years	5.336
80-90 years	5.496
90-100 years	5.491
>100 years	5.486

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

Normal range of Hemoglobin : 13 - 17 g/dL

Ideal values of Hemoglobin depending on age :

Age	Ideal Hemoglobin value
<5 years	13.39
5-10 years	13.792
10-15 years	14.206
15-20 years	14.632
20-25 years	15.071
25-30 years	15.523
30-35 years	15.989
35-40 years	16.469
40-45 years	16.963
45-50 years	16.948
50-55 years	16.932
55-60 years	16.917
60-70 years	16.902
70-80 years	16.887
80-90 years	16.872
90-100 years	16.857
>100 years	16.842

High RBC and low Hemoglobin can be caused by a lot of reasons. If you take RBC and Hemoglobin blood tests and the results are higher than 5.5 mil/uL for RBC and lower than 13 g/dL for Hemoglobin, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease.

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How the RBC and Hemoglobin Tests Are Done :

If your doctor wants RBC and Hemoglobin tests on you, you may need to go through these tests. During the RBC and Hemoglobin blood tests, a pathologist will put a needle into your veins and take out a small quantity of blood. A pathologist is a physician in the medical field who thoroughly studies the causes and effects of disease. Within a few hours you will get your RBC and Hemoglobin Test reports by your pathologist.

Medical References

• MedlinePlus – Red Blood Cell (RBC) Count
• WebMD – Red Blood Cell (RBC) Count Test: Results and What They Mean
• MedlinePlus – Red Blood Cell (RBC) Indices