Medically reviewed by Kelly Wood, MD Hypothyroidism—or an underactive thyroid—is a condition that happens when the thyroid gland does not produce enough hormones to meet your body’s needs. It doesn’t ...

Low TSH. Your test result could also show lower-than-normal levels of TSH and an overactive thyroid. This could be caused by: Graves’ disease (your body’s immune system attacks the thyroid) ...

What is hypothyroidism? “Hypothyroidism is actually quite common and tends to increase with age,” says Dr. Erik Alexander, MD, the chief of the thyroid section at Brigham and Women's Hospital ...

You diagnose hypothyroidism and start her on 100mcg of levothyroxine per day.

Millions of people suffer from thyroid dysfunctions and hypothyroidism. This is a common disorder where the thyroid does not produce an adequate amount of thyroid hormones. Unfortunately because ...

An underactive thyroid (hypothyroidism) is where your thyroid gland doesn't produce enough hormones. This can cause many of the body's functions to slow down, and change the way it processes fat.

A thyroid storm or thyroid crisis is a rare but possibly life-threatening condition in which your body suddenly starts overproducing thyroid hormones. Here’s what you should know.

Hypothyroidism, a condition caused by an underactive thyroid, can create a wide variety of symptoms, such as fatigue, weight gain, trouble tolerating the cold, and joint and muscle pain.

Hypothyroidism is a condition where the thyroid gland doesn't produce enough hormones, affecting metabolism. Leg symptoms like weakness, cramping, swelling, numbness, and tingling can indicate ...