A case of thyroid storm caused by Graves' disease misdiagnosed as panic attack due to panic disorder.

Background: Graves' disease is characterized by hyperthyroidism and its symptoms often overlap with those of panic disorder, which may make it difficult to distinguish between the two conditions. In this report, we describe how proper diagnosis of thyroid disease in patients with mental illness can lead to appropriate treatment.

Case Presentation: We encountered a 34-year-old woman in whom thyroid crisis from Graves' disease was misdiagnosed as panic attack.