Medically reviewed by Kelly Wood, MD Hypothyroidism—or an underactive thyroid—is a condition that happens when the thyroid ...

Even with treatment, a low-level autoimmune assault on the thyroid gland may persist. If the same treatment dose is maintained, the progressive damage to the gland can manifest with: Rising T3 and T4 ...

If levels become abnormal, permanent hypothyroidism is diagnosed. Children with transient congenital hypothyroidism who are taken off medication should have periodic thyroid evaluation and retesting, ...

is a brand-name oral tablet prescribed for certain thyroid conditions. As with other drugs, Armour Thyroid can cause side effects, such as temporary hair loss in children and hyperthyroidism.

Feeling cold even when others are comfortable could be more than just a personal quirk. Persistent coldness can point to ...

But your doctor can give you medicine or suggest at-home methods to help ease swelling and soothe your eyes. If those aren’t enough, you may eventually need surgery. Treatment for thyroid eye ...

Learn about MSK’s active surveillance program for papillary thyroid cancer, which allows many people to avoid unnecessary surgery and the risks that come with it.

The best multivitamins for women, tested by doctors and editors, include necessary nutrients needed for optimal health. Shop ...

Thyroid diseases affect up to 5% of all pregnancies ... Hyperthyroidism is often treated with antithyroid drugs in pregnancy. However, they are not completely safe to use during pregnancy as ...

Sometimes, a viral infection can have baffling side effects and trigger conditions that aren’t easy to detect. It is ...

Autoimmune thyroid disease (AITD) causes cellular damage and alters thyroid gland function by humoral and cell-mediated mechanisms. Cellular damage occurs when sensitized T-lymphocytes and/or ...

Our goal is to return your thyroid hormone levels to a healthy range. For hyperthyroidism, options include medications that inhibit hormone production by the thyroid, radioiodine therapy to ...