What causes high ESR and low RBC?

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

If your ESR is in between 0.1 mm/hr and 14 mm/hr and your RBC is in between 4.5 mil/uL and 5.5 mil/uL then you need not worry as these are the normal ranges for ESR and RBC respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Normal range of ESR : 0.1 - 14 mm/hr

Ideal values of ESR depending on age :

Age	Ideal ESR value
<5 years	2.02
5-10 years	2.04
10-15 years	2.06
15-20 years	2.081
20-25 years	2.102
25-30 years	2.123
30-35 years	2.144
35-40 years	2.165
40-45 years	2.187
45-50 years	2.209
50-55 years	2.231
55-60 years	2.253
60-70 years	2.276
70-80 years	2.299
80-90 years	2.322
90-100 years	2.345
>100 years	2.368

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

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

1,37,160

Total number of patients treated

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

• Rheumatic fever
• Vascular disease
• Autoimmune diseases
• Inflammatory bowel disease
• Heart disease

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

Normal range of RBC : 4.5 - 5.5 mil/uL

Ideal values of RBC depending on age :

Age	Ideal RBC value
<5 years	4.545
5-10 years	4.59
10-15 years	4.636
15-20 years	4.682
20-25 years	4.729
25-30 years	4.776
30-35 years	4.824
35-40 years	4.872
40-45 years	4.921
45-50 years	4.97
50-55 years	5.02
55-60 years	5.07
60-70 years	5.121
70-80 years	5.172
80-90 years	5.224
90-100 years	5.276
>100 years	5.329

High ESR and low RBC can be caused by a lot of reasons. If you take ESR and RBC blood tests and the results are higher than 14 mm/hr for ESR and lower than 4.5 mil/uL for RBC, 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 ESR and RBC Tests Are Done :

If your doctor wants ESR and RBC tests on you, you may need to go through these tests. During the ESR and RBC 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 ESR and RBC Test reports by your pathologist.

Medical References

• MedlinePlus – Erythrocyte Sedimentation Rate (ESR)
• Cleveland Clinic – Sedimentation Rate (ESR): What It Is & Normal Range
• Mayo Clinic – Sed rate (erythrocyte sedimentation rate)