🔄 Chapter 267 · Relapsing Fever (Borrelia)

Nelson Textbook of Pediatrics 22nd Edition | Louse-borne (Borrelia recurrentis, epidemic, associated with war/poverty) vs Tick-borne (Borrelia hermsii, B. turicatae, endemic in western US). Clinical: recurring fevers (2-9 days febrile, 2-7 days afebrile), spirochetemia during febrile episodes, Jarisch-Herxheimer reaction. Treatment: doxycycline, tetracycline, erythromycin (children <8y).

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📋 30 Clinical Scenarios — Relapsing Fever (Chapter 267)

📇 High‑Yield Review Cards (Relapsing Fever)

🩺 Relapsing Fever: Clinical Recognition

Select a presentation to explore diagnosis and management.

📋 Step‑by‑Step Management of Relapsing Fever

    📊 Louse-borne vs Tick-borne Relapsing Fever

    FeatureLouse-borne (Epidemic)Tick-borne (Endemic)

    ⚡ Clinical Reflex Prompts — Relapsing Fever Decisions

    📖 Summary: Relapsing Fever (Borrelia)