Thyroid Cancer / Nodules & Hyperthyroidism Expert Forum
How long does it take for RAI to work?
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Questions in the Thyroid forum are answered by Mark Lupo, MD. Topics covered include Goiter, Graves Disease, Hyperthyroid, Parathyroid/Calcium Problems, Thyroid Cancer, Thyroid Nodules/Cysts, Thyroiditis, Thyroid & Pregnancy, Thyroid Stimulating Hormone (TSH), Thyroid Tests, and Thyroid Surgery.

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How long does it take for RAI to work?

I was diagnosed with a thyroid disfunction in March of 2004, although I suspect I have been hyperthyroid for much longer.  I decided to have RAI because after 10 months on meds I was still not balanced and I want to have more children.  I am NOT Graves, I believe my diagnosis was toxic multinodule goiter or Plummer's Disease.  I had RAI on April 19th of this year.  My TSH was originally at 3.6 and I am now down to 2.? after 9 weeks.  I asked my doc what happens if after 3 months I am not better.  She looked shocked and said that she had never had anyone not swing low after RAI.  How long should it take for me to begin feeling better?  I was feeling so lousy that I convinced my doc to let me take a little PTU (100mg/day) for awhile until I crashed.  She also told me I should go and see an eye doc to rule out TED.  Does anyone know if it is likely that I will have to do RAI again?  I know that Plummer's is more resistant to RAI than Graves, and even though they gave me a higher doseage, I don't know if it was high enough.  Can anyone help me???
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It took about 3 months for me, but I had graves. And its been up and normal for the past 7yrs. I think it finally gave up a few yrs ago. Since then I have been on 3 different doses to get it right. Hang in there, I know it's a pain. Keep asking questions. Good Luck.
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