Thyroid levels looking for advice on correct do... - Thyroid UK

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Thyroid levels looking for advice on correct dosage, taking 75 per day.

elwins profile image
7 Replies

Recent TSH results May 2021

0.19 mu/L (0.35-4.9)

May 2020 results

B12 352 ng/L (190.0 -800.0)

TSH 0.29 mu/L (0.5-4.4)

Vitamin D 72 Nmol/L (50.0 -200.0)

Folate 8.9 ug/L (3.0 -17.0)

Looking for advice been on thyroxine since I was a child which is over sixty odd years ago. Feeling of fatigue, problems with the soles of my feet. Saw doctor and he said everything in range. Just asking if anybody on this good site can see anything which might be out.

Any advice would be much appreciated

Always have blood tests done on a empty stomach, no thyroxin taken till after blood test. Done in the morning.

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elwins
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SeasideSusie profile image
SeasideSusieRemembering

Elwins

Is TSH the only test from May 2021? No FT4 and FT3?

Just testing TSH alone doesn't give a picture of thyroid health, TSH is a pituitary hormone which sends a signal to the thyroid to make hormone if it detects there's not enough. It's the FT4 and FT3, the thyroid hormones, that tell us what we need to know.

If there were any other tests done recently, ask the receptionist at your surgery for a print out and post the results with their reference ranges.

Your May 2020 results are irrelevant now, you really need a full thyroid panel and vitamins if possible.

elwins profile image
elwins in reply toSeasideSusie

Thanks for reply my surgery like most only test TSH and doctor was looking at vitamin results on screen, looks like I need to arrange a private test for myself and get full thyroid test done. Thanks again.

SlowDragon profile image
SlowDragonAdministrator

What vitamin supplements are you currently taking

Do you always get same brand levothyroxine at each prescription

Important to take levothyroxine AFTER blood test. Last dose levothyroxine 24 hours before test.. Testing as early as possible in morning before eating or drinking anything other than water

For full Thyroid evaluation you need TSH, FT4 and FT3 plus both TPO and TG thyroid antibodies tested. Also EXTREMELY important to test vitamin D, folate, ferritin and B12 at least annually

Low vitamin levels are extremely common, especially if you have autoimmune thyroid disease (Hashimoto's) diagnosed by raised Thyroid antibodies

Do you have Hashimoto’s?

Recommended on here that all thyroid blood tests should ideally be done as early as possible in morning and before eating or drinking anything other than water .

Last dose of Levothyroxine 24 hours prior to blood test. (taking delayed dose immediately after blood draw).

This gives highest TSH, lowest FT4 and most consistent results. (Patient to patient tip)

Private tests are available as NHS currently rarely tests Ft3 or thyroid antibodies or all relevant vitamins

List of private testing options

thyroiduk.org/getting-a-dia...

Medichecks Thyroid plus antibodies and vitamins

medichecks.com/products/adv...

Thriva Thyroid plus antibodies and vitamins By DIY fingerpick test

thriva.co/tests/thyroid-test

Thriva also offer just vitamin testing

Blue Horizon Thyroid Premium Gold includes antibodies, cortisol and vitamins by DIY fingerprick test

bluehorizonbloodtests.co.uk...

If you can get GP to test vitamins and antibodies then cheapest option for just TSH, FT4 and FT3

£29 (via NHS private service ) and 10% off down to £26.10 if go on thyroid uk for code

thyroiduk.org/getting-a-dia...

monitormyhealth.org.uk/

NHS easy postal kit vitamin D test £29 via

vitamindtest.org.uk

elwins profile image
elwins

Thanks for reply take the same make all the time, cannot take Teva. Taking b12 but no other vitamins. Will arrange private blood draw which includes all vitamins and TSH and t3 and t4. Then repost when I get results. Will follow guidelines about how to do it from this site. Thanks again for advice.

SlowDragon profile image
SlowDragonAdministrator

Come back with new post once you get results

Likely to see low vitamins and/or poor conversion of Ft4 to ft3

shaws profile image
shaws

Your B12 is on the 'low' side but before you do anything, request that your GP check that you do not have Pernicious Anaemia which is different to having a 'low' B12.

nhs.uk/conditions/vitamin-b...

Daffers123 profile image
Daffers123

Just a quick comment, I have just tested low for B12 and Folate, I think we need to be higher in range but I also get soles of feet burning/tingling and been told that is a B12 symptom.

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