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

Hypothyroidism (underactive thyroid) slows your metabolism, and, even with a healthy diet and exercise, you can still gain weight. But there are ways to counter this effect by not only knowing what to ...

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 ...

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.

A study from the University of Michigan has found that the intensity of thyroid hormone treatment may be linked to an ...

Thyroid health is key to overall well-being and understanding its impact on sexual function can improve management and ...

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 ...

Prevent Blindness offers free resources on Thyroid Eye Disease, including a patient-focused episode, fact sheets, graphics, ...

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

Caffeinated beverages may also affect how asthma drugs, blood pressure meds, ADHD therapies, antipsychotics, and osteoporosis ...

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.