A 26-year-old male asked:
Disclaimer

what could cause hyperthyroidism if it's not graves, hasmitos, pituitary problem? i have low tsh 0.01 but normal free t3 (liothyronine) and t4 and normal total t3t4

1 doctor answer
Dr. Thomas Knecht
A Verified Doctor answered
A US doctor answered Learn more
Already answered: Hi. I already told you: hyper-functioning ("hot") thyroid nodule is most likely, but a phase of subacute thyroiditis (ST) is certainly a possibility. Following thyroid function over time, or a 123-I thyroid scan (and uptakes) would tell the difference. This all assumes you're not surreptitiously TAKING thyroid hormone (which would look like ST, but unlike ST would have a suppressed thyroglobulin).
Answered on Oct 18, 2014

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
Unlimited visits
$10/month

Related questions:

A 26-year-old male asked:
Dr. Thomas Knecht
A Verified Doctor answered
A US doctor answered Learn more
2 possibilities: Hi. First of all, Hashimoto's doesn't cause a suppressed TSH, and YES, your TSH is SUPPRESSED, not "low", because your free T4 and total T3 (liothyron ... Read More
A 43-year-old female asked:
Dr. Clarence Grim
56 years experience Endocrinology
Thyroid in supplemen: Is someone giving you thyroid hormone? Or is it in any supplements you are taking and you don’t know it?
1
1 thank
A 26-year-old male asked:
Dr. Gurmukh Singh
48 years experience Pathology
It is okay: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. ... Read More
A 42-year-old male asked:
Dr. David Sneid
40 years experience Endocrinology
It means: You have graves' disease, which you apparently already knew, so it's totally superfluous and doesn't ever need to be repeated.
1
1 thank

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
Unlimited visits
$10/month