Epidemic typhus: Difference between revisions
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==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== | |||
[[File:Epidemic_typhus_Burundi.jpg|thumbnail|Epidemic typhus]] | |||
*Fever, headache, myalgias<ref>CDC. Typhus and related diseases. http://wwwnc.cdc.gov/travel/yellowbook/2016/infectious-diseases-related-to-travel/rickettsial-spotted-typhus-fevers-related-infections-anaplasmosis-ehrlichiosis</ref> | |||
*Transmitted by arthropods/ ticks | |||
*Painless eschar at inoculation site imp clue | |||
*Camping, hiking in grassy/ scrub area | |||
*Regional lymphadenopathy, rash | |||
==Differential Diagnosis== | |||
{{Template:Fever in Traveler DDX}} | |||
==Evaluation== | |||
*leukopenia, thrombocytopenia | |||
*Usually clinically | |||
==Management== | |||
*[[Tetracycline]] | |||
*[[Chloramphenicol]] may be an alternative, though associated with higher morbidity | |||
*Confirm serologically, not useful in acute phase | |||
==Disposition== | |||
==See Also== | |||
*[[Travel Medicine]] | |||
==References== | |||
<references/> | |||
[[Category:Tropical Medicine]] | |||
[[Category:ID]] | |||
Revision as of 10:00, 19 December 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, myalgias[1]
- Transmitted by arthropods/ ticks
- Painless eschar at inoculation site imp clue
- Camping, hiking in grassy/ scrub area
- Regional lymphadenopathy, 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
Evaluation
- leukopenia, thrombocytopenia
- Usually clinically
Management
- Tetracycline
- Chloramphenicol may be an alternative, though associated with higher morbidity
- Confirm serologically, not useful in acute phase