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

For further clarification, consult your healthcare provider. This medication is a dried and powdered form of thyroid hormone, prescribed for hypothyroidism, TSH suppression (in thyroid cancer ...

Levothyroxine sodium is the second-most prescribed drug in the United States, with approximately 25 million people using either Synthroid or generic levothyroxine to manage their hypothyroidism (low ...

In this way, your medication doses can be adjusted to keep TSH levels within the optimal range. Sometimes when you are taking ...

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

Thyroid cancer, which can affect up to one in 20 people in the UK, often takes years to diagnose due to its symptoms ...

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.