Medically reviewed by Kelly Wood, MDKey TakeawaysThyroid blood tests help figure out how well your thyroid gland is ...

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

I have low thyroid levels. My blood tests say that the levels are OK, but I still have all the symptoms. I received ...

I have low thyroid levels. My blood tests say that the levels are OK, but I still have all the symptoms. I received ...

To assess thyroid function, clinicians typically determine blood levels of thyroid-stimulating hormone (TSH) and thyroxine (T4) and do not directly measure triiodothyronine (T3). However, findings ...

Dear Dr. Roach: I am a 71-year-old female in very good health. I have been taking a thyroid replacement since I was 12 years old. I currently take 125 mcg of thyroxine once daily, as well as 60 mg of ...

Hashimoto thyroiditis — also known as Hashimoto's disease or chronic lymphocytic thyroiditis — is an autoimmune condition, meaning antibodies from a person's own immune system attack a part of the ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. Individuals who experience inflammation of the thyroid gland during acute COVID-19 illness may ...

Low thyroid symptoms, such as fatigue or weakness, intolerance of cold, and weight gain, can be caused by many other conditions, such as anemia.