Levothyroxine. Levothyroxine is a medicine used to treat an underactive thyroid gland (hypothyroidism). The thyroid gland makes thyroid hormones which help to control energy levels and growth.
It is also used with surgery and radioactive iodine therapy. Learn about side effects, dosage, and more. The thyroid gland makes thyroid hormones which help to control energy levels and growth.
Levothyroxine Shows Efficacy in Rapid Cycling Bipolar Disorder
Oral levothyroxine is primarily indicated for the treatment of primary, secondary, and tertiary hypothyroidism. Levothyroxine is used to treat hypothyroidism (condition where the thyroid gland does not produce enough thyroid hormone). Levothyroxine is used to treat hypothyroidism, a condition where the thyroid gland does not produce enough thyroid hormone. It replaces or provides more thyroid hormone, which is normally produced by the thyroid gland.