Aa
A
A
Close
Avatar universal
TSH fluctuations without medication or diagnosis
Hey
I have a family history of thyroid disorders - father with a goiter, sister with half removed, and another sister with thyroid cancer.  I have had my thyroid tested throughout this past year. TSH results are as follows:
June of 2011 - 2.4
September of 2011 - 3.6
September of 2012 - 1.9

Is it common for TSH levels to fluctuate? Does anyone know what causes that?  Also, my symptoms are indicative of hypothyroid so my dr. put me on .025 synthroid. Is this common? Anyone is the same boat?

Thanks

Beth
Cancel
2 Answers
Page 1 of 1
Avatar universal
TSH can vary as much as 70% in a day, just depending on the time of day the blood was drawn.  That's why it's such a poor indicator of thyroid status.

Your doctor should also be testing the actual thyroid hormones, FREE T3 and FREE T4 every time you have blood work.  FT3 and FT4 are much more important than TSH.  Keep in mind that FT4 often has to be around midrange and FT3 upper half to upper third of range before hypo symptoms are relieved.  Just being in the bottom of the ranges is seldom enough.

Some doctors will prescribe a small trial dose to see if it helps with symptoms.    
Comment
Cancel
Comment
Avatar universal
Comment
Comment
Submit Comment
1611901 tn?1347017784
Your doctor may have already told you to go back in 6 to 8 weeks for more testing. As goolarra mention the FT3 and FT4 are the important test.
Comment
Cancel
Comment
Avatar universal
Comment
Comment
Submit Comment
Your Answer
Avatar universal
Answer
Know how to answer? Tap here to leave your answer...
Answer
Submit Answer
A
A
Blank
Weight Tracker
Weight Tracker
Start Tracking Now
Thyroid Disorders Community Resources
RSS Expert Activity
233488 tn?1310696703
Blank
Marathon Running Done Over Many Yea...
05/15 by John C Hagan III, MD, FACS, FAAOBlank
233488 tn?1310696703
Blank
New Article on Multifocal IOL vs &q...
05/15 by John C Hagan III, MD, FACS, FAAOBlank
748543 tn?1463449675
Blank
TMJ/TMJ The Connection Between Teet...
01/15 by Hamidreza Nassery , DMD, FICOI, FAGD, FICCMOBlank
Top Thyroid Answerers
649848 tn?1424570775
Blank
FL
Avatar universal
Blank
MI
Avatar universal
Blank
Sisters, OR
Avatar universal
Blank
657231 tn?1453836403
Blank
Northern, NJ
Avatar universal
Blank
Calicut, India