Low TSH levels may suggest hyperthyroidism, which causes symptoms like weight loss and increased appetite. High TSH levels can be a sign of hypothyroidism, with symptoms like weight gain and fatigue.

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 ...

Using levothyroxine to treat subclinical hypothyroidism should be considered on a patient-by-patient basis and be started only after at least two thyroid-stimulating-hormone (TSH) tests show an ...

Research links thyroid drug heart death risk to both over- and undertreatment with levothyroxine The post Widely Used Thyroid ...

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 ...

Millions of people around the world take levothyroxine every day to treat an underactive thyroid, a condition known as ...

Please provide your email address to receive an email when new articles are posted on . Women with a higher TSH level in the first trimester of pregnancy have higher odds for gestational diabetes. The ...

Primary hyperthyroidism occurs due to issues within the thyroid gland. Secondary hyperthyroidism is due to the pituitary gland overstimulating the thyroid. To diagnose the type of hyperthyroidism, ...

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