Hypo to hyper

I went from 5.73 to 0.01 on my thyroid test within 6 months. I have taken no medication for either thyroid problems. How is this possible?

[Smilerdeb]

Have you had FT3 and FT4 levels done and also antibodies tests for Graves and Hashi's.
If so , post the levels and ranges here.

You may be suffering from Thyroiditis (inflammation of the thyroid).
Or if your antibodies are up......Graves Disease or Hashi's.

Post a bit more about yr levels and symptoms and others can help too.

[goolarra]

My guess is that you have an autoimmune disease (like Grave's) that is attacking your thyroid and making you hyperthyroid.  However, you need further testing.  TSH is a very poor indicator of thyroid status (it's a pituitary hormone).  You really need to have free T3 (FT3) and free T4 (FT4) tested.  These are the actual thyroid hormones and will give a much clearer picture of what your thyroid is doing.

In addition to those, you probably want to have thyroid antibodies (TPOab, TGab and TRab) tested to confirm/rule out an autoimmune disease.  

Since you are not on any meds, and your TSH is so low, it's important to get further testing promptly.

Do you have hyper symptoms?