How often should TSH levels be monitored in patients with a history of Graves' disease who are in remission with negative TSI/TBII antibodies and off medical therapy?  

If Anti-thyroid drugs are discontinued when an TSH receptor antibodies are still positive, recurrent hyperthyroidism often develops within a few months. On the other hand, if the drug is discontinued when antibodies are negative (not “normal“ but still detectable), then recurrent hyperth...