dialing in on dose(s)

[Lowkeylowt3]

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Beth Bintner

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Hello. I'm finally narrowing down my thyroid medication dose! I need to decide if I want to do 50 mcg levothyroxine or 25 mcg levothyroxine and 5 mcg liothyronine. My dr is ok with whichever I want to try. I'm currently taking 50 mcg levo and 5 mcg lio and I'm over medicated- a little jittery. But other than that I feel good. Any advice? Pros cons to either?

I started on 10 mcg liothyrone monotherapy and then added 50 mcg Levo. From there went down hill with being over medicated. I probably have conversation issues but my rt3 is never high. And so now I'm having a hard time figuring out what I really need. All I know is Levo is a must- without it l'm a mess.

[greygoose]

Well, what you do next rather depends on your latest blood test results. just looked at your last post, and no-where do you give any results so we have no idea why you think you were over-medicat. ed on such a small dose.

rT3 has nothing to do with anything. And if your rT3 were high on just 50 mcg levo, it would be for some other reason then your dose. There are many, many reason. it's also impossible to tell how well you convert when taking T3. you need to be on T4 mono-therapy to see how well you convert. But, no matter, because you're taking T3.

So, post some blood test results and ranges, and we should be able to give you some advice on your next step.

[Lowkeylowt3 in reply to greygoose]

I started 50 mcg Levo + 10 mcg Lio March 2023. Prior I was on 10 mcg for years.

Ft4

[Lowkeylowt3 in reply to Lowkeylowt3]

more labs

Ft3

[Lowkeylowt3 in reply to Lowkeylowt3]

tsh

TSH

[greygoose in reply to Lowkeylowt3]

Sorry, but FT4/3 results are meaningless without the ranges because they vary from lab to lab. But your TSH results don't say over-medicated at any point.

[Lowkeylowt3]

TSH mlU/L

Ft4 ng/dL

[Lowkeylowt3 in reply to Lowkeylowt3]

Ft3pg/mL

[helvella Administrator Thyroid UK in reply to Lowkeylowt3]

Those appear to be the units - not the reference intervals (ranges).

[Lowkeylowt3]

oops

Ft4: 0.8-1.8

Ft3: 2.3-4.2

TSH: 0.4-4.5

[TiggerMe in reply to Lowkeylowt3]

9/2/24

TSH 0.365 mIU/L (0.4 - 4.5) -0.9%

Free T4 (fT4) 0.91 ng/dL (0.8 - 1.8) 11.0%

Free T3 (fT3) 1.8 pg/mL (2.3 - 4.2) -26.3%

So horribly under replaced, do you have any results for folate, ferritin, B12 and Vit D?

Going on past results 10mcg T3 just brings you to low in range and you fT4 has always been low so looks like adding more T4 would be a good step

[Lowkeylowt3 in reply to TiggerMe]

These most recent results were after a period of time which my dr thinks I was being over medicated with 50 mcg Levo and 10 mcg Lio and caused me to spiral down. Please look at March 2023 labs to analyze.

[TiggerMe in reply to Lowkeylowt3]

19/3/23

TSH 1.91 mIU/L (0.4 - 4) 41.9%

Free T4 (fT4) 0.8 ng/dL (0.8 - 1.8) 0.0%

Free T3 (fT3) 2.6 pg/mL (2.3 - 4.2) 15.8%

You can find the calculator here...  thyroid.chingkerrs.online/

None of your results show you have been anywhere near over replaced