Medically reviewed by Kelly Wood, MD Key Takeaways High TSH levels usually mean the thyroid is underactive, which is called ...

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 ...

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 ...

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 ...

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 ...

Thyroid problems are very common, and millions of people take medication every day to manage them. One of the most widely ...

Three thyroid-related conditions that children may more commonly develop include Graves’ disease, Hashimoto’s thyroiditis, and thyroid nodules. Talking with their pediatrician about symptoms and ...