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A 23-year-old female asked:

25 yr old f, hyperthyroid and taking carbimazole since 2016 had rai (10mci) 2 weeks ago (stopped carbi before 1 wk). now, ft4 is 3.67 ng/dl and tsh is 0.008 mu/l. do i have to do rai again? should i restart carbimazole? heart rate 120 beats/min?

1 doctor answer • 2 doctors weighed in
Dr. Hiep Le
Dr. Hiep Leanswered
Nephrology and Dialysis 44 years experience
Free T4 and TSH were done a little early so free T4 is still high with very low TSH; however, your heart rate is up so you can take beta blocker for heart rate control. If the hyperthyroid symptoms are not under control, low dose of potassium iodine solution (SSKI) can be added because it takes up to 6-18 weeks for the ablation treatment having the full effect.
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Reviewed Aug 24, 2022
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Dr. Frank Kuitems
Dr. Frank Kuitems agrees1 doctor agrees

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Last updated Aug 24, 2022

Found in:

Heart rate›Hyperthyroidism›Carbimazole

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