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
Low vitamin levels are extremely common, especially if you have autoimmune thyroid disease (Hashimoto's) diagnosed by raised Thyroid antibodies
Low B12 can cause vertigo
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 .
If taking levothyroxine........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)
Last month I posted" vertigo again", and after 2 weeks, here we go again. I went to a nurologist for the vertigo problem, and he is giving me a bunch of test to do.
We are so many in this forum with quesions😊, quite impossible to remember my post. I sent the doctor a text asking what dosage of vit.D should I take!
Tomorrow I will call the doctor again, and we will see what kind of dosage of synthroid she or he will prescribe!
Everytime I need to test my Thyroid level they just prescribe TSH, they refuse the rest of my request!
It was like :" Your level was good last time". " We do not do it all the time" " You are still taking your vitamin D" Then I told her that last time my vitamin D was low and she didn't suggest the dosage, so I didn't know if I was still low.
So I was only tested TSH and vitamin D.
When we were in Germany we had the same insurance and the GP will do any test I suggested antibodies tsh -ft3-ft4 -vitamins ferratins all!
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