What causes high RDW SD and low Eosinophils?

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

If your RDW SD is in between 39 fL and 46 fL and your Eosinophils is in between 1 % and 6 % then you need not worry as these are the normal ranges for RDW SD 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 SD : 39 - 46 fL

Ideal values of RDW SD depending on age :

Age	Ideal RDW SD value
<5 years	39.668
5-10 years	40.347
10-15 years	41.038
15-20 years	41.741
20-25 years	42.456
25-30 years	43.183
30-35 years	43.922
35-40 years	44.674
40-45 years	45.439
45-50 years	45.426
50-55 years	45.413
55-60 years	45.399
60-70 years	45.385
70-80 years	45.372
80-90 years	45.359
90-100 years	45.346
>100 years	45.332

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

If you want your blood test report to be interpreted by RDW SD specialist, then you can upload your report. Our RDW SD 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 SD levels include:

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

If you want your blood test report to be interpreted by RDW SD specialist, you can upload your report. Our RDW SD 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	1.017
5-10 years	1.034
10-15 years	1.052
15-20 years	1.07
20-25 years	1.088
25-30 years	1.107
30-35 years	1.126
35-40 years	1.145
40-45 years	1.165
45-50 years	1.185
50-55 years	1.205
55-60 years	1.226
60-70 years	1.247
70-80 years	1.268
80-90 years	1.29
90-100 years	1.312
>100 years	1.334

High RDW SD and low Eosinophils can be caused by a lot of reasons. If you take RDW SD and Eosinophils blood tests and the results are higher than 46 fL for RDW SD 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 SD and Eosinophils Tests Are Done :

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