Cyclosporiasis natural history, complications and prognosis
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
The symptoms usually start within one week of ingestion of contaminated food and water. If left untreated, symptoms may persist for weeks and months. This infection is not life threatening and is rarely associated with complications. People living in endemic area might have asymptomatic infections.
Natural History
Following inoculation of C. cayetanensis, the typical incubation period is about 7 days[1][2]
- Symptoms of cyclosporiasis begin an average of 7 days (range, 2 days to > 2 weeks) after ingestion of sporulated oocysts (the infective form of the parasite).
- If a person ill with cyclosporiasis is not treated, symptoms can persist for several weeks to a month or more. Some symptoms, such as diarrhea, can return, and some symptoms, such as muscle aches and fatigue, may continue after the gastrointestinal symptoms have gone away.
- Infection is not usually life-threatening.
- Reported complications from Cyclospora infection are rare, but have included malabsorption and cholecystitis.
- Some people with Cyclospora infection experience no symptoms at all, particularly persons living in areas where the disease is endemic.
Complications
Prognosis
References
- ↑ Fleming CA, Caron D, Gunn JE, Barry MA (1998). "A foodborne outbreak of Cyclospora cayetanensis at a wedding: clinical features and risk factors for illness". Arch Intern Med. 158 (10): 1121–5. PMID 9605784.
- ↑ Herwaldt BL, Ackers ML (1997). "An outbreak in 1996 of cyclosporiasis associated with imported raspberries. The Cyclospora Working Group". N Engl J Med. 336 (22): 1548–56. doi:10.1056/NEJM199705293362202. PMID 9164810.