Doctor insights on:
Increased T3u Thyroid Test
16 year old hypochondriac, lack of sleep and severe chronic stress have increased appetite. Last thyroid test in march. Hyperthyroidism likely ?
TSH? Probably fine.: I'm assuming the "thyroid test" you're referring to is "thyroid stimulating hormone" or tsh. This is one of the most commonly measured thyroid-related tests. The normal range depends on your lab and varies; but it's about 0.4 to 4.0. So a value of 0.64 in that case is good - if it was 64, then i'd worry! ...Read more
Iodine: Some institutions may ask you to fast after midnight the night before thyroid scan. You should avoid eating foods which contain high iodine content before the scan. Again, different places may ask you to perform these dietary for different amounts of time. Check with the site performing your scan. ...Read more
Your doctor?: Hi. My specialty deals with the thyroid as specialists, and I've NEVER asked a patient to interpret his/her own thyroid labs! It's not YOUR job to interpret them, it's your doctor's job! I suggest you ask your doctor to explain them (in lay terminology that you can understand); if you're not satisfied, find a new doctor who explains things better. Good luck! ...Read more
Not really bad.: The TSH level is just a test. There is no number that is really bad and all numbers can be fixed. There is a continuum of disease from mild to very symptomatic and some people may have a lot of symptoms despite relatively normal numbers. Best thing is to look at how you feel. If you feel fine then the numbers are good enough. ...Read more
Thyroid tests: In general, when interpreting thyroid tests, a high TSH is indicative of hypothyroidism (under active thyroid) and a low TSH is indicative of hyperthyroidism (overactive thyroid). Your doctor may also check your free T4 and free T3 (liothyronine) levels which may be low if hypothyroid and high if hyperthyroid. That being said, the tests are not always so straightforward so make sure an MD interprets your results ...Read more
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