Hi, I was told I was I had Subclinical hypothyroidism in 2017 but was not significant so no further input. Unsure of exact results but TSH was raised, but <10 with normal T4 (but do not have a copy of the results). Past few years have noticed hair loss, muscle aches & pains, tiredness, some weight gain despite trying hard to loose weight, alcohol intolerance, but symptoms getting worse last 3-6 months. Went into surgical menopause in 2018 and been on HRT since. I am now 54 and have put all my symptoms down to the menopause, but thinking now maybe not.
I have now had repeat bloods done TSH 6.84 (0.38-5.33) Free T4 9.3 (7.9-14.4)
CRP, Rheumatoid factor, bone profile, U&E’s, LFT’s, FBC, HbA1c are all normal.
I have a follow up to discuss my TFT’s next week. Any advice to other blood tests I may benefit from, or if a trial of medication would be worth exploring. Thanks for any help.
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bluepenguin
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Even if we frequently start on only 50mcg, most people need to increase levothyroxine dose slowly upwards in 25mcg steps (retesting 6-8 weeks after each increase) until eventually on, or near full replacement dose
In the majority of patients 50-100 μg thyroxine can be used as the starting dose. Alterations in dose are achieved by using 25-50 μg increments and adequacy of the new dose can be confirmed by repeat measurement of TSH after 2-3 months.
The majority of patients will be clinically euthyroid with a ‘normal’ TSH and having thyroxine replacement in the range 75-150 μg/day (1.6ug/Kg on average).
The recommended approach is to titrate thyroxine therapy against the TSH concentration whilst assessing clinical well-being. The target is a serum TSH within the reference range.
……The primary target of thyroxine replacement therapy is to make the patient feel well and to achieve a serum TSH that is within the reference range. The corresponding FT4 will be within or slightly above its reference range.
The minimum period to achieve stable concentrations after a change in dose of thyroxine is two months and thyroid function tests should not normally be requested before this period has elapsed.
TSH should be under 2 as an absolute maximum when on levothyroxine
Thanks for your previous advice, be grateful for your thoughts on the following results I have now had done 6 weeks after my last raised TSH test, done at 10am and had only had water prior to test
TSH 3.42 (0.38-5.33)
ATP 1 (normal below 22)
Vit D 79 (>50 adequate)
Vit B12 163ng/L (146-200 may indicate deficiency)
Ferritin 47ug/l (30-99 indeterminate)
Folate 22ug/L (3-20)
I am still having the same symptoms but confused as TSH is now normal.
I have an appointment this week so would like to do in as informed as possible.
Edit, sorry just realised you aren't on thyroid hormones
Without fT3 & 4 levels its just guessing really
Ideally test before 9am when TSH is at its highest
It would also be a good idea to up your Vit D as that really is better above 100... ferritin also on the low side both needed for good thyroid function
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