Which medication is commonly prescribed for hypothyroidism?

Levothyroxine is a synthetic form of the thyroid hormone thyroxine (T4) and is the standard medication prescribed for the treatment of hypothyroidism. This condition occurs when the thyroid gland does not produce enough thyroid hormones, which are essential for regulating metabolism, energy levels, and overall physiological functions in the body.

Levothyroxine works by providing the body with the necessary levels of thyroid hormone, helping to restore normal metabolic function and alleviate symptoms associated with hypothyroidism, such as fatigue, weight gain, and sensitivity to cold. It is typically taken orally and requires regular monitoring of thyroid hormone levels to ensure the dosage is adequate and to make adjustments as needed.

The other options listed are not appropriate for the treatment of hypothyroidism. For instance, methimazole and propylthiouracil are antithyroid medications used primarily to manage hyperthyroidism, which is characterized by excessive production of thyroid hormones. Corticosteroids, although they can manage inflammation and various autoimmune conditions, do not address hormonal deficiencies like those seen in hypothyroidism. Therefore, levothyroxine stands out as the specific and effective medication for individuals with hypothyroidism.