Typhus: Difference between revisions
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Revision as of 16:59, 22 March 2016
Background
- Not to be confused with typhoid fever, a distinct disease caused by a different genera of bacteria
- Any of several similar diseases caused by Rickettsia bacteria (e.g. Rickettsia prowazekii, )
Clinical Features
- fever, headache, myalgia
- transmitted by arthropods/ ticks
- painless eschar at inoculation site imp clue
- camping, hiking in grassy/ scrub area
- regional LN, rash,
Differential Diagnosis
Fever in traveler
- Normal causes of acute fever!
- Malaria
- Dengue
- Leptospirosis
- Typhoid fever
- Typhus
- Viral hemorrhagic fevers
- Chikungunya
- Yellow fever
- Rift valley fever
- Q fever
- Amebiasis
- Zika virus
Diagnosis
- leukopenia, thrombocytopenia
- Usually clinically
Treatment
- Tetracycline
- confirm serologically