Chikungunya: Difference between revisions
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==Background== | ==Background== | ||
Mosquito transmitted virus, originally found in West Africa but cases in the Americas beginning in 2013 | *Mosquito transmitted virus, originally found in West Africa but cases in the Americas beginning in 2013 | ||
*Frequently difficult clinically to differentiate from [[dengue]] fever | |||
==Clinical Features== | ==Clinical Features== | ||
Revision as of 10:07, 31 October 2014
Background
- Mosquito transmitted virus, originally found in West Africa but cases in the Americas beginning in 2013
- Frequently difficult clinically to differentiate from dengue fever
Clinical Features
- Fever typically greater than 39deg
- Polyarthralgias, bilateral and symmetrical
- Rash- maculopapular
- Myalgias
- Nausea and vomiting
- Lymphocytopenia
- Elevated LFTs
- AKI
- 3-7d incubation period
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
- Papules
- Insect bites
- Scabies
- Seabather's eruption
- Cercarial dermatitis (Swimmer's Itch)
- Macular
- Sub Q Swelling and Nodules
- Ulcers
- Tropical pyoderma
- Leishmaniasis
- Mycobacterium marinum
- Buruli ulcer
- Dracunculiasis (Guinea Worm disease)
- Linear and Migratory Lesions
- Cutaneous larvae migrans
- Photodermatitis
See also domestic U.S. ectoparasites
Workup
- CBC w diff, Cr, LFTs
- contact CDC for specialized testing; recommends tiger top tube
Management
Symptomatic treatment: acute symptoms usually resolve in 7-10d
Disposition
See Also
External Links
Sources
CDC