What causes high Eosinophils and low FT4 thyroid?

High Eosinophils and low FT4 thyroid can be caused by many reasons.

If your Eosinophils is in between 1 % and 6 % and your FT4 thyroid is in between 0.89 ng/dL and 1.76 ng/dL then you need not worry as these are the normal ranges for Eosinophils and FT4 thyroid 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 Eosinophils : 1 - 6 %

Ideal values of Eosinophils depending on age :

Age	Ideal Eosinophils value
<5 years	1.035
5-10 years	1.071
10-15 years	1.108
15-20 years	1.147
20-25 years	1.187
25-30 years	1.229
30-35 years	1.272
35-40 years	1.317
40-45 years	1.363
45-50 years	1.411
50-55 years	1.46
55-60 years	1.511
60-70 years	1.564
70-80 years	1.619
80-90 years	1.676
90-100 years	1.735
>100 years	1.796

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

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

• Asthma
• Eczema
• Celiac disease,
• Inflammatory bowel disease
• Inflammation of the skin

If you want your blood test report to be interpreted by Eosinophils specialist, you can upload your report. Our Eosinophils 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 FT4 thyroid : 0.89 - 1.76 ng/dL

Ideal values of FT4 thyroid depending on age :

Age	Ideal FT4 thyroid value
<5 years	0.92115
5-10 years	0.95339
10-15 years	0.98676
15-20 years	1.0213
20-25 years	1.05705
25-30 years	1.09405
30-35 years	1.13234
35-40 years	1.17197
40-45 years	1.21299
45-50 years	1.25544
50-55 years	1.29938
55-60 years	1.34486
60-70 years	1.39193
70-80 years	1.44065
80-90 years	1.49107
90-100 years	1.54326
>100 years	1.59727

High Eosinophils and low FT4 thyroid can be caused by a lot of reasons. If you take Eosinophils and FT4 thyroid blood tests and the results are higher than 6 % for Eosinophils and lower than 0.89 ng/dL for FT4 thyroid, 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 Eosinophils and FT4 thyroid Tests Are Done :

If your doctor wants Eosinophils and FT4 thyroid tests on you, you may need to go through these tests. During the Eosinophils and FT4 thyroid 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 Eosinophils and FT4 thyroid Test reports by your pathologist.

Medical References

• Cleveland Clinic – Eosinophils: Function, Range & Related Conditions
• Mayo Clinic – Eosinophilia
• WebMD – Eosinophils and Eosinophil Count Test (EOS Blood Test)