Link to NICE guidelines?: Good morning. I have... - Thyroid UK

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Link to NICE guidelines?

Holiday74 profile image
14 Replies

Good morning. I have an appointment next week for the GP to check current levels, and I'm just trying to correlate all the amazing info I have read on here in order to go into battle! Which is exactly what it feels like I'm having to do.

I've read several times about NICE guidelines on optimal ranges for TSH levels, but can't find a link to it,or when I tried googling it. Does anyone have it handy?

My last TSH level through GP testing was 4.81 (0.27-4.20) and she stated then that I did not need to be on levothyroxine. I recently self-tested to find out my TS3 levels and the TSH came back as 3.21 (0.27-4.20) so it has come down and I'm fully expecting her to say I'm at an optimal level now,but have read on here it should be under 2.

I know I am going to have to point this out to her so just wanted a link to the guidelines I can read to her, if it's possible.

Thank you in advance

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Holiday74
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RedApple profile image
RedAppleAdministrator

Holiday74, Try this link nice.org.uk/guidance/ng145/...

Holiday74 profile image
Holiday74 in reply to RedApple

Thanks RedApple , that's the one I've looked at, either I'm being enveloped in brain fog or I just can't see it! First is highly likely! It just keeps mentioning the "reference range" without actually stating what that is 🤔

i.e:

1.4.1Aim to maintain TSH levels within the reference range when treating primary hypothyroidism with levothyroxine. If symptoms persist, consider adjusting the dose of levothyroxine further to achieve optimal wellbeing, but avoid using doses that cause TSH suppression or thyrotoxicosis.

RedApple profile image
RedAppleAdministrator in reply to Holiday74

There isn't one reference range. It's dependent on the lab the test is done by. You need to look at your own test results, which shows your personal level within the range of that lab. For example, my last private test results show the TSH range for that lab to be 0.27- 4.2. But at another lab with a different piece of equipment, it might be a different range.

It's where you are within the range that matters, not what the range is.

SlowDragon profile image
SlowDragonAdministrator

How much levothyroxine are you currently taking

You need 25mcg dose increase in levothyroxine plus testing for Pernicious Anaemia and folate and ferritin testing

Previous post

healthunlocked.com/thyroidu...

RedApple profile image
RedAppleAdministrator

Holiday74, In your previous post you said you'd been taking levo for six weeks. Is this prescribed for you or are you self medicating?

Holiday74 profile image
Holiday74 in reply to RedApple

It is prescribed for me, I've just started my 3rd box, so just into my 9th week. GP requested testing after 8 weeks and my blood test is on tuesday.

RedApple profile image
RedAppleAdministrator in reply to Holiday74

Follow the guidance given by SeasideSusie for blood testing.

Sorry, I don't have a link to hand that will help you persuade your GP that TSH should be lower when on thyroid hormone replacement. Hopefully SeasideSusie or SlowDragon can help with that.

Holiday74 profile image
Holiday74 in reply to RedApple

Thank you, I really appreciate your help 😊

Holiday74 profile image
Holiday74

Sorry RedApple I see my mistake! I've written down quotes from my other posts of advice given, I just want to know how/where to cite it on the NICE guidelines. i.e. In different posts people have said TSH should be under 1, or under 2, I get that it changes depending on the ranges, but when I speak to the Dr I want to be able to say where that info has come from and if I can't find it I can't really use it.

I'm still only on 50mg of levo SlowDragon - this is the first time I've spoken to my GP since I began taking them, as she was reluctant to put me on them in the first place I doubt she will be willing to increase them, hence me wanting to get my facts straight before I speak to her.

Thank you again,

helvella profile image
helvellaAdministratorThyroid UK in reply to Holiday74

This is from GP notebook - a site expressly for GPs!

aim of levothyroxine treatment is to make the patient feel better, and the dose should be adjusted to maintain the level of thyroid stimulating hormone within the lower half of the reference range, around 0.4 to 2.5 mU/l. If the patient feels perfectly well with a level in the upper half of the reference range, then adjustment is unnecessary

gpnotebook.com/simplepage.c...

You can only view three pages a month without signing up!

And I don't think that is a good statement but it might be adequate for you - especially given where it comes from.

Taking GP practice to the ludicrous extreme:

Just imagine a GP seeing a TSH of 4.21 and, despite them thinking it wrong, they give in and prescribe levothyroxine.

However many weeks later, TSH has dropped to 4.19. They declare you fully treated and all is well.

That difference possibly being below the variation between two TSH tests done on the same sample of blood.

Indeed, that difference might be achieved by just one microgram of levothyroxine.

It is utter nonsense to leave you with elevated (high within reference interval) TSH.

mrskiki profile image
mrskiki in reply to Holiday74

Hi it's unfortunate that GPs and nurses can all point to those nice guidelines if they feel like it that say the whole reference range is in range. I really think if that extra info in GP notebook helvella links to here was in there it would save a lot of us a headache. I do hope they accept it, as it's the info I'm try to use as my first option.

tattybogle profile image
tattybogle

NICE guidelines don't have anything specific about keeping TSH lower in ref range, it just say's 'in range' ...

healthunlocked.com/thyroidu....

This post contains my list of references recommending GP's keep TSH lower than about 2 ish (some are taken from GP's own magazine's, so should be acceptable to them)

SeasideSusie profile image
SeasideSusieRemembering

Unfortunately NICE don't mention a figure for TSH, it's GPOnline, GP Notebook, and Dr Toft that mention an actual figure for TSH. Check out Tattybogle's link below, she has put them all in the post she links to.

SlowDragon profile image
SlowDragonAdministrator

Previous post

healthunlocked.com/thyroidu...

At moment you need to concentrate on improving low vitamin levels

Vitamin D 42nmol

How much vitamin D are you now taking

Are you supplementing magnesium and vitamin K2

B12 far too low at 275

Request folate testing and ideally test for Pernicious Anaemia …BEFORE starting on vitamin B complex and separate B12

Ferritin level needs testing.

Ideally full iron panel test

Do you suffer heavy periods

Vegetarian or vegan

Guidelines

TSH should be under 2 as an absolute maximum when on levothyroxine

gponline.com/endocrinology-...

NHS England Liothyronine guidelines July 2019

sps.nhs.uk/wp-content/uploa...

Page 9

Test for Deficiency of any of the following: Vitamin B12, Folate, Vitamin D, Iron

See page 13

1. Where symptoms of hypothyroidism persist despite optimal dosage with levothyroxine. (TSH 0.4-1.5mU/L)

Graph showing median TSH in healthy population is 1-1.5

web.archive.org/web/2004060...

Aim is to bring a TSH under 2.5

UK guidance suggests aiming for a TSH of 0.5–2.5

gp-update.co.uk/SM4/Mutable...

Persevere - have all guidelines printed and be ready to quote them

healthunlocked.com/thyroidu...

At moment it’s almost more important to get low vitamin levels improved….but push for next 25mcg dose increase in levothyroxine ……even if you initially only increase by 12.5mcg ….retest in 6-8 weeks

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