What causes high RDW and low Eosinophils?

High RDW and low Eosinophils can be caused by many reasons.

If your RDW is in between 11.6 % and 14 % and your Eosinophils is in between 1 % and 6 % then you need not worry as these are the normal ranges for RDW and Eosinophils 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 RDW : 11.6 - 14 %

Ideal values of RDW depending on age :

Age	Ideal RDW value
<5 years	11.846
5-10 years	12.097
10-15 years	12.353
15-20 years	12.615
20-25 years	12.882
25-30 years	13.155
30-35 years	13.434
35-40 years	13.719
40-45 years	13.713
45-50 years	13.707
50-55 years	13.998
55-60 years	13.992
60-70 years	13.986
70-80 years	13.98
80-90 years	13.973
90-100 years	13.966
>100 years	13.96

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

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

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

• Crohn's disease
• Chronic liver disease
• Thalassemia, an inherited blood disorder
• An iron or vitamin deficiency
• Heart disease

If you want your blood test report to be interpreted by RDW specialist, you can upload your report. Our RDW 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 Eosinophils : 1 - 6 %

Ideal values of Eosinophils depending on age :

Age	Ideal Eosinophils value
<5 years	1.021
5-10 years	1.043
10-15 years	1.065
15-20 years	1.088
20-25 years	1.111
25-30 years	1.135
30-35 years	1.159
35-40 years	1.184
40-45 years	1.209
45-50 years	1.235
50-55 years	1.261
55-60 years	1.288
60-70 years	1.315
70-80 years	1.343
80-90 years	1.371
90-100 years	1.4
>100 years	1.43

High RDW and low Eosinophils can be caused by a lot of reasons. If you take RDW and Eosinophils blood tests and the results are higher than 14 % for RDW and lower than 1 % for Eosinophils, 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 RDW and Eosinophils Tests Are Done :

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

Medical References

• Cleveland Clinic – RDW Blood Test: What It Is, Procedure & Results
• MedlinePlus – RDW (Red Cell Distribution Width)
• NIH – High red blood cell distribution width is closely associated with risk of carotid artery atherosclerosis