On 23rd September 2022 I started to gradually introduce levothyroxine and reduce Metavive until I was on only levo to see if I could manage on this alone. [see post Raising TSH from 11 months ago]. I had hoped to see if I converted T4 to T3 adequately but had to do it myself as my GP wouldn't help with this whilst I was on Metavive with depressed TSH. The idea was that if my conversion was adequate and it raised my TSH a bit, then I could just go back to NHS levo prescriptions. My latest results seem to indicate that my conversion is pretty poor. [Hope the chart is legible].
The last levo dose of 112 mcg [started on 24 June] has taken me above the range with still poor conversion. During this time I have not felt dreadful but definitely am more tired and have less energy that when on Metavive.
I have an appointment with my GP on the 23 Aug and I feel there are various options:
1. I can stay on levo a bit longer [probably reduced to 100 mcg to bring in range] and see if things gradually settle down and I can improve [at the risk of even lower T3]. Perhaps being on levo only 2 months is too soon to really decide. I can put up with the tiredness if it will gradually get better.
2. See if she will start a trial of liothyronine or refer me to an endo to do this [but I think Chichester endos are not so helpful or resistant in prescribing T3 but perhaps now the price has come down they might].
3. Go back to Metavive which gave me a lot more energy.
My concern is that some posts have stated that TSH is needed for converting T3 to T4 in the tissues and Metavive does cause suppression. However, I want to feel well, and not tired, so the suppression may be necessary in order to do this.
I did have the Medichecks Advanced Thyroid Blood Test to make sure the vitamins and ferritin were OK. The folate result failed but has always been fine in the past.
Inflammation: CRP HS 0.859 mg/L (Range: < 3)
Iron Status: Ferritin 198.00 ug/L (Range: 30 - 650)
Vitamins: Folate - Serum ! Sample error, Vitamin B12 - Active 148.0 pmol/L (Range: 37.5 - 188),
Vitamin D 159.0 nmol/L (Range: 50 - 250)
Thyroid Hormones:
TSH X 0.101 mIU/L (Range: 0.27 - 4.2)
Free T3 3.9 pmol/L (Range: 3.1 - 6.8)
Free Thyroxine X 24.0 pmol/L (Range: 12 - 22)
Autoimmunity:
Thyroglobulin Antibodies 41.30 kIU/L (Range: 0 - 115)
Thyroid Peroxidase Antibodies X 53.5 kIU/L (Range: 0 - 34)
I would appreciate any comments about all this and the best way to approach my GP. Is it a good idea to persevere a bit longer with just levo first as I haven't been on it long enough?