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Dr. Andrew Rynne
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Dr. Andrew Rynne

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What Causes Elevated TSH Levels?

Hi, i have been diagnosed of free t4 - 8.1 free t3- 4.8 TSH 13.79 i was initially on 25mg of levythyroxine and 5mg of cabiroid but after the result above, the leythyroxine has been increased to 50mg. i am presenlty undergoing treatment for ivf and will go for the Egg transfer in Two weeks. please what can i do?
Fri, 13 Jun 2014
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Pathologist and Microbiologist,  's  Response
Hello and welcome to HCM,
The test report shows an increase in TSH levels.
TSH levels are controlled by levels of T3 and T4 in blood.
Decrease in level of T3 and T4 is called hypothyroidism and causes increase in TSH levels by negative feed back.

Your history suggests that you are suffering from hypothyroidism.
In hypothyroidism there is fall in levels of T3 and T4.
Hormone replacement with thyroxine is required to replace the low levels of thyroid hormones.
The dose of thyroxine that you were taking is insufficient to maintain normal hormonal levels.
Thus, the dose of thyroxine has to be increased to maintain the levels of T3 and T4.
After increasing the dose of thyroxine, thyroid function tests have to be repeated at regular intervals.

Thanks and take care
Dr Shailja P Wahal
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What Causes Elevated TSH Levels?

Hello and welcome to HCM, The test report shows an increase in TSH levels. TSH levels are controlled by levels of T3 and T4 in blood. Decrease in level of T3 and T4 is called hypothyroidism and causes increase in TSH levels by negative feed back. Your history suggests that you are suffering from hypothyroidism. In hypothyroidism there is fall in levels of T3 and T4. Hormone replacement with thyroxine is required to replace the low levels of thyroid hormones. The dose of thyroxine that you were taking is insufficient to maintain normal hormonal levels. Thus, the dose of thyroxine has to be increased to maintain the levels of T3 and T4. After increasing the dose of thyroxine, thyroid function tests have to be repeated at regular intervals. Thanks and take care Dr Shailja P Wahal