Normal thyroid-stimulating hormone (TSH) levels generally fall between 0.5 and 5.0 milliunits per liter (mU/L). If your TSH level is higher than 5.0 mU/L it suggests an underactive thyroid, or ...

If you're like most primary care clinicians, your email inbox is flooded with messages from patients with questions about lab results. A common query: Should I be worried about an abnormal value on a ...

A primary care professional or an endocrinologist can diagnose hypothyroidism. The process typically involves a medical history, physical exams, and blood tests. Hypothyroidism, or underactive thyroid ...

Subclinical hypothyroidism involves high levels of thyroid-stimulating hormone and typical thyroxine levels in the blood. This may be due to an autoimmune disease, a medication, or thyroid surgery.

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 ...

Hyperthyroidism affects TSH levels, causing them to fall below expected ranges. Hyperthyroidism can occur when the thyroid gland in the neck produces too much thyroid hormones, including ...

Please provide your email address to receive an email when new articles are posted on . Of adults receiving levothyroxine therapy for hypothyroidism, 43.8% had either low or high TSH levels. TSH ...