Advice re blood test results please!: TSH 0.02 (... - Thyroid UK

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Advice re blood test results please!

lainey03 profile image
6 Replies

TSH 0.02 (0.3 - 3.94) Below range

Free T4 7.1 (12.3 - 20.2) Below range

Free T3 12.6 (3.7 - 6.7) Above range

Partial thyroidectomy with a goitre removel (hyperthyroid) 23 years ago. No medication just yearly blood tests. Diagnosed with fibromyalgia 4 years ago. GP prescribed levothyroxine as my Free T4 was around 12 and he was happy to see if raising my T4 levels might help my fibromyalgia symptoms. Since then I have tried NDT and recently I have been taking 25mcg of T3 per day only (but at times intermittently, also I hadn't taken T3 for a few days prior to my blood test).

I have to go back for blood test next week because of the above results. Could the results be due to me taking too much T3? Any advice appreciated. Thank you.

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lainey03
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Clutter profile image
Clutter

Lainey03,

T4 will be below range when you take T3 only. Your results are peculiar. TSH is suppressed but not as low as I would expect to see with such high FT3 and ,if you hadn't taken FT3 for several days prior to blood test, FT3 must have been a lot higher then.

Do you take biotin or supplements containing biotin? Biotin can skew blood test results. If you do, that may explain the high FT3 so stop taking any supplements containing Biotin a week prior to having any blood tests.

lainey03 profile image
lainey03 in reply to Clutter

Hi Clutter

Thanks for your reply. I have been taking Low Dose Naltrexone for a year no other supplements.

Clutter profile image
Clutter in reply to lainey03

Lainey03,

I don't know much about LDN but have seen that members have reported they needed to reduce thyroid meds when taking it.

If FT3 is 12.6 after several days of not taking T3 you were either very over medicated on T3 or the blood test was somehow skewed. Retesting next week should clear it up.

lainey03 profile image
lainey03 in reply to Clutter

Ok would you say to stop both LDN and T3 until blood test next Friday?

Clutter profile image
Clutter in reply to lainey03

Lainey03,

I would certainly stop the T3 as FT3 was so high. I really don't know enough to say whether you should stop LDN too.

trelemorele profile image
trelemorele

Out of curiosity, how did/ do you feel on that dose?

Did you have any physical indications I.e. energy level, heart, hands, sleep warm, sweating etc.

Thanks

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