Cyclosporiasis history and symptoms
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Kalsang Dolma, M.B.B.S.[2] Alejandro Lemor, M.D. [3]
Overview
Symptoms of cyclosporiasis begin 7 days following ingestion of water and food contaminated with sporulated oocysts. The most common symptom is watery diarrhea. Other symptoms include loss of appetite, cramping, flatulence, fatigue, low-grade fever, nausea and vomiting.
History
- The average incubation period for cyclospora is 1 week, but symptoms may appear from 1 to 14 days after ingestion of sporulated oocysts.
- Symptoms typically manifest as watery diarrhea, which can be severe.
- Patients might recall eating fresh vegetables, such as lettuce, basil, or cilantro. [1]
- Patients must be asked if they have traveled to a region where the protozoan is endemic, such as countries in the tropics and subtropics. [2]
- Untreated infections typically last for 10-12 weeks.
- For untreated patients, diarrhea and other symptoms may relapse.
- A more severe form of the disease can occur in immunocompromised patients such as those with AIDS.
Symptoms[3]
Patients with cyclosporiasis may remain asymptomatic, specially in persons that live in an endemic area.
The symptoms for cyclospora infection include:
- Watery diarrhea
- Abdominal pain
- Anorexia
- Weight loss
- Abdominal distention
- Flatulence
- Nausea
- Fatigue
- Myalgia
- Vomiting
- Low-grade fever