Case Presentation: A 25-year-old male with polysubstance abuse presented with 5-days of sweats, chills, confusion, nausea, vomiting, dehydration, and anorexia in the setting of opioid detoxification. On presentation, he was afebrile, tachycardic to 115 bpm, with otherwise normal vitals. Exam revealed a tired-appearing thin man. Labs were consistent with mild dehydration. His urine toxicology screen [...]