Early Levothyroxine Post Radioactive Iodine
Early Levothyroxine Post Radioactive Iodine
The study will try to answer the question of whether early treatment with levothyroxine at 4
 weeks after radioactive iodine for Graves'disease will prevent overt hypothyroidism (low
 thyroid hormone levels).
Inclusion criteria:

 -all adult patients (ages 18-70 years) with Graves' Disease (GD) who will receive
 radioactive iodine (RAI) ablation of the thyroid gland for treatment of GD

 Exclusion criteria:

 -  clinically manifest Graves' ophthalmopathy (GO)

 -  recent (<1 yr.) history of arrhythmias or any history of ventricular arrhythmias

 -  preexistent cardiomyopathy

 -  malnutrition

 -  psychiatric history that could get worse if patient remains persistently hyperthyroid

 -  unlikely to return for the planned follow-up visits

 -  unlikely to comply with the blood drawing schedule

 -  unlikely to complete the hypothyroid-Health Related Quality of Life (HDQL) and Thyroid
 Specific (TSQ) questionnaires