How to reduce t3? : How much can you reduce t3 in... - Thyroid UK

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How to reduce t3?

Emits profile image
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How much can you reduce t3 in one go? Is it ok to decrease it with 12.5 in one go?

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Emits
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11 Replies
shaws profile image
shawsAdministrator

I would reduce by 1/4 tablet at a time. Do you have a reason for reducing?

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Emits in reply toshaws

Yes, over take ft3 6.7 (3.5-6.5) last dose taken 24h before test

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Emits in reply toshaws

And for how many days shall I take that dose before reducing with another 6.25?

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shawsAdministrator in reply toEmits

You may only need that one reduction as you are only .2 above range. Take note of your symptoms and if you think you should reduce by another 1/4 do so. If clinical symptoms are new you should increase again.

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Emits profile image
Emits in reply toshaws

Thank you but wouldn't my true rating be higher in range since last dose t3 was taken 24 hours prior? I didn't know that you should only wait 12h. And how soon do you think I can reduce another 6.25? I just had a look on my note book and I was feeling better on 6.25 than 12.5 didn't realise until now...

shaws profile image
shawsAdministrator in reply toEmits

I take T3 only when I get out of bed and one daily dose. Therefore my gap is 24 hours between dose and test and GP is happy, so there's no way I would/could wait 12 hours between taking T3 and test.

Emits profile image
Emits in reply toshaws

What is you ft3 level? Is really hard to know what to do. I only took 6.25 for 1 week and then increased and according to my notes I felt well for that week. I will have blood taken again in 4.5 weeks. If I take 6.25 and say after 2 weeks start to feel worse again and then increase to 12.5 will my test 2 weeks later be accurate?

shaws profile image
shawsAdministrator in reply toEmits

T3 is quick-acting and is not like T4 (levo) i.e. one dose of T4 taken today and not taking any more, will gradually reduce over a number of weeks.

Blood tests are not as important as how we 'feel' on a particular dose with relief of all clinical symptoms. That's the main aim - free of symptoms. That would be he perfect dose regardless of test results.

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Emits profile image
Emits in reply toshaws

Thank you! How soon do you think I will feel a difference when decreasing dose of t3?

shaws profile image
shawsAdministrator in reply toEmits

I couldn't possibly say as we are all so different. It is all trial and error.

shaws profile image
shawsAdministrator in reply toEmits

If you feel better with 6.25 that's the dose which suits your body so take 6.25. After a number of weeks if symptoms develop increase it again.

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