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I did a TSH test with Results of 4.6 mIU/L. The GP said my thyroid is fine, yet I am still tired, difficult to lose weight. What is a normal TSH range?

2 doctors weighed in
Dr. John cuong Doan
Family Medicine
1 doctor agrees

In brief: Normal laboratory

range for TSH is 0.
4 to 4.0 mU/L. Checking for a free T4 in addition to the TSH may help differentiate any conditions in which there is subclinical hypothyroidism or hyperthyroidism. Or there may be other conditions independent of thyroid that may cause fatigue and weight gain, such as Cushing's.

In brief: Normal laboratory

range for TSH is 0.
4 to 4.0 mU/L. Checking for a free T4 in addition to the TSH may help differentiate any conditions in which there is subclinical hypothyroidism or hyperthyroidism. Or there may be other conditions independent of thyroid that may cause fatigue and weight gain, such as Cushing's.
Dr. John cuong Doan
Dr. John cuong Doan
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