Thyroid UK
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Lab results

Yesterday I met with my Endo and he reviewed my recent labs.

TSH. 0.010

Free T4. 1.50. (0.54-1.24)

Free T3. 4.6. (2.3-4.2)

Reverse T3. 27. (9.2-24.1)

I do have very low TgAb as well as undetectable Tg . My labs were done 24 hours after my last dose of 137 synthroid and 5 cytomel.

My worse symptom is achy muscles and joints in my upper body and two frozen shoulders which my Endo said are not related to my thyroid. I need help interpreting these numbers. Thanks

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Welcome to the forum, SBunting.

Have you had a thyroidectomy due to thyCa? In the UK Tg and TgAb are used as cancer markers post thyCa. Undetectable Tg with low TgAb is good as it indicates there is no thyroid activity which could cause recurrence.

TSH is suppressed, FT4 quite a bit over range and FT3 is also over range so I think you are over replaced. You could reduce Synthroid to 112mcg and continue with 5mcg Cytomel and see whether aching muscles and joints improve. I don't think frozen shoulders are likely to be related to thyroid.

Ask your physician to test ferritin, vitamin D, B12 and folate which are commonly low/deficient in hypothyroid patients. Low ferritin and vitamin D deficiency often cause aching muscles and join pain.

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Yes, I had a complete thyroidectomy for papillary thyroid cancer with follicular variant that had spread into 6 lymph modes. I did have 130 of RAI. I did have my vitamin D checked and it was at 62 with a range of 39-100. I really appreciate your response and hope my symptoms improve with a change in meds.

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Sbunting,

High FT4 made me feel quite unwell but Levothyroxine itself was making me ill too. Nevertheless I did feel improvement when FT4 was in range. If it doesn't help you can always reinstate 137mcg.

VitD is good but do check ferritin, B12 and folate too.

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Frozen shoulder is more common in people with thyroid disease, but they don't seem to know why.

mayoclinic.org/diseases-con...

verywell.com/thyroid-patien...

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