An overactive thyroid, or hyperthyroidism, has symptoms like fatigue, anxiety, and weight loss. Some things that can cause hyperthyroidism include Grave's disease and thyroiditis. If you don't treat ...

Medically reviewed by Kelly Wood, MD Key Takeaways Hyperthyroidism is when the thyroid makes too much hormone, affecting ...

Hyperthyroidism means the thyroid gland is overactive and produces more hormones than your body needs. Brain fog and other cognitive changes are potential complications of hyperthyroidism. Brain fog ...

Medically reviewed by Isabel Casimiro, MD, PhD Cool, pale, dry, or rough skin often points to an underactive thyroid. Warm, ...

If your mysterious weight loss, sudden intolerance to heat, and noticeably irregular period has you scouring the internet for the reasons why, you’ve probably wondered if your symptoms are the result ...

Hyperthyroidism in infants is rare but potentially serious. It is often a temporary condition that has associations with maternal Graves’ disease. Graves’ disease is an autoimmune condition that ...

Evidence does not show a link between hyperthyroidism, or overactive thyroid, and blood in the urine (hematuria). Experiencing blood in your urine may result from issues with your bladder, kidneys, or ...