Study suggests TSH levels up to 5.56 mIU/L may reflect normal physiological aging in adults aged 65–84, rather than clinical hypothyroidism.

Experts call for better guidance on levothyroxine initiation, deprescribing ...

Switching between generic levothyroxine products won't make much of a clinical difference, a new study suggested. In a comparative effectiveness research study of 15,829 patients, those who switched ...

About one-quarter of adults aged at least 60 years using levothyroxine were able to stop therapy and maintain a thyroid-stimulating hormone level of less than 10 mIU/L at 1 year, researchers reported ...

Thyroxine and L-thyroxine are two of the 10 most frequently prescribed medicinal products. "One large health insurance company ranks thyroid hormone at fourth place in the list of most-sold ...

Considerable controversy still surrounds the setting of the nonpregnant TSH reference range. 7 Population studies show that the TSH distribution is skewed towards higher values, necessitating ...

The diagnosis of subclinical hypothyroidism—serum TSH levels above and T 4 levels within the laboratory reference ranges—depends critically on the upper limit of the TSH reference interval. Calls have ...

Bonsack is a patient advocate based in Moab, Utah. In the midst of a health crisis a few years ago, doctors repeatedly checked my thyroid-stimulating hormone (TSH), revealing an odd pattern: My test ...

Synthroid was associated with an 11% lower likelihood of having TSH labs out of range when compared with similar patients taking generic levothyroxine. This article is written live from the American ...