The American journal of emergency medicine
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Leptospirosis is a common zoonotic infection worldwide and is recognized as an emerging public health problem. Although commonly thought of as a tropical disease, incidence in temperate climates is increasing, with recent outbreaks in the United States and Germany, among other countries. The disease presents with symptoms ranging from fever, headache, nausea, and vomiting to life-threatening multiorgan failure characterized by acute liver failure, nephritis, pulmonary hemorrhage, meningitis, and cardiac arrhythmia. ⋯ Given the nonspecificity of patient symptoms, early diagnosis of leptospirosis can be challenging. Diagnostic uncertainty may lead to delay in recommended intravenous antibiotic treatment. We present a case of severe leptospirosis treated exclusively with supportive measures and intravenous corticosteroids.