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Difference between Rocky Mountain spotted fever and ehrlichiosis
| Difference | Rocky Mountain spotted fever | Ehrlichiosis |
|---|---|---|
| Mode of transmission | Tick | Tick |
| Rash | Very common, including on palms and soles | 60% of children |
| Neutropenia | Less common | More common |
| Thrombocytopenia | Yes | Yes |
| Anemia | Present in ~15% | Occurs in 50% later in illness |
| Hyponatremia | Yes | Yes |
| Liver enzymes | May be elevated | Usually elevated |
| Treatment | Doxycycline | Doxycycline |
