Patients treated for overt hypothyroidism with the standard replacement therapy levothyroxine (LT4) often continue to show abnormal cholesterol levels despite normalization of thyroid stimulating ...

The conventional laboratory approach to verifying an analyte concentration such as dilution may not always detect an interference problem. Since methods vary in their susceptibility to most ...

Normal TSH values vary widely depending on age, and the ranges of normal values are typically higher in older adults. This is important, as a select number of patients manifest recurrent symptoms ...

Dear Dr. Roach: A few months ago, I had routine follow-up thyroid tests, and my results were normal except for a slightly high free T4 level. My doctor decreased my medication dose to 137 mcg from 150 ...

Subclinical hypothyroidism is a mild form of hypothyroidism. It occurs when only one of two main thyroid levels is elevated. It doesn’t usually cause symptoms, and it’s unclear how or if it affects ...

We were unable to process your request. Please try again later. If you continue to have this issue please contact [email protected]. “For any patient with hypothyroidism, a TSH level ...

The thyroid-stimulating hormone (TSH) test measures the amount of TSH in the blood to convey how well a person’s thyroid functions. Normal levels are typically 0.4 to 4.0 milliunits per liter (mU/L) ...

A thyroid-stimulating hormone test measures the levels of this hormone in the body. The test helps determine whether or not the thyroid, a small gland in the throat, is functioning correctly. The ...

Dear Dr. Roach: I have low thyroid levels. My blood tests say that the levels are OK, but I still have all the symptoms. I received biological hormones, which helped a lot, but yams bind to the ...