Millions of people around the world take levothyroxine every day to treat an underactive thyroid. In the United States, it ...

High TSH levels can mean you have an underactive thyroid or a pituitary gland tumor. Low TSH levels can mean you have an overactive thyroid or issues with the pituitary gland. TSH levels are first ...

Metformin use was associated with a reduction in thyroid-stimulating hormone (TSH) levels among patients with type 2 diabetes who also had treated hypothyroidism, a new large database analysis finds.

Q: I had a thyroidectomy a few years ago, and have been taking levothyroxine daily since then. My dose has been stable. While ...

A randomized crossover trial evaluated the efficacy of different l-thyroxine dosing strategies and different target thyroid-stimulating hormone (TSH) ranges in patients with treated hypothyroidism.

Earlier this fall, Medscape Medical News spoke to endocrinologists Angela M. Leung, MD, and Karen Tsai, MD, on how to interpret abnormal results of thyroid hormone tests. To address some additional ...

Levothyroxine is one of the most commonly prescribed medicines in the world. It is used to treat hypothyroidism, a condition ...

Please provide your email address to receive an email when new articles are posted on . In a large cohort of Chinese women, preconception thyroid-stimulating hormone levels were linked to maternal ...