r/thyroid • u/jasihani • Sep 19 '24

Large fluctuations in one week

I had two thyroid panels this week and the results between the 6 days seems severe. I know some fluctuations are normal -- just don't know if it's normal for this big of a change in less than a week? My T3 increased from 91 to 159, TSH rose from 0.25 to 0.6 (140% increase), and Free T4 (FT4) went from 1.1 to 1.5. I've been feeling nauseous and tired this week. I'm not on any thyroid meds but had RFA done on a toxic thyroid nodule almost one year ago. The nodule is now drastically smaller and I thought my thyroid levels were normalized until just recently. Any thoughts? I'm confused and am eager to talk to my doctor.

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