Endocrine Abstracts

Introduction: Graves’ disease and Hashimoto’s hypothyroidism are common thyroid diseases. However, occurrence of both clinical disorders one after the other in the same patient, is not common.Case report: In this article, we presented two hypothyroid patients who developed clinical thyrotoxicosis during levothyroxine treatment. Both patients were treated with levothyroxine for a long time. Due to occurrence of clinical hyperthyroidism, levothyr...