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Background: A thyroid storm (TS) is a rare, but life-threatening condition in hyperthyroid patients. Mortality in adult TS patients may be as high as 10%. Typically, a trigger precipitates the storm in hyperthyroid patients., Case Presentation: We report the case of an adolescent girl with untreated hyperthyroidism who developed fulminant TS after a significant choking episode. Initially, she was found to have neck swelling and tachycardia leading providers to suspect infection. She deteriorated after a CAT Scan (CT) was performed with iodine contrast, potentially worsening storm symptoms. Here, we describe the case, the treatment strategy and propose a treatment modification for pediatric patients., Conclusions: While many children are found to have minor abnormalities in thyroid studies, this case highlights the critical importance of prompt medical attention for any child with significantly elevated free thyroxine (FT4) levels as morbidity can occur when left untreated.