Doctor's Notes on Cyclospora Infection (Cyclosporiasis)
Cyclospora cayetanensis is a single cell microscopic parasite that causes cyclosporiasis, an infection of human intestinal tract cells; it mainly occurs in semitropical and tropical regions. Signs and symptoms of a Cyclospora infection is watery diarrhea (sometimes termed explosive diarrhea), gas production, bloating, cramping, abdominal discomfort and/or pain, nausea, loss of appetite and weight, fatigue and flu-like symptoms; some individuals develop low fevers and vomiting. If not treated, the symptoms may last for weeks to months.
Cyclospora cayetanensis is the cause of cyclosporiasis; the parasite has a complicated life cycle that needs to develop (oocysts) in human intestinal cells; after development, the non-sporulated oocysts are shed in human feces into the environment where they mature (sporulate) and contaminate food and water sources where they can start their life cycle again by infecting humans.
Stomach Pain : Nausea & Other Causes Quiz
QuestionBowel regularity means a bowel movement every day.
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Diarrhea
Diarrhea can be caused by bacterial or viral infections, parasites, intestinal diseases or conditions, reactions to medications, and food intolerance or allergies. Symptoms of diarrhea include watery stools, abdominal cramping, fever, and dehydration. Most cases of diarrhea can be treated at home. In some cases (in the elderly, small children, or those with severe or chronic medical conditions) may need to be hospitalized due to dehydration. -
Vomiting and Nausea
Vomiting and nausea are common complaints that accompany many conditions and diseases. A few common causes of vomiting and nausea include food poisoning, viruses, vertigo, head injuries, gallbladder disease, appendicitis, migraine, brain tumors, and infections. Treatment of vomiting and nausea depend on the cause of the symptoms.
REFERENCE:
Kasper, D.L., et al., eds. Harrison's Principles of Internal Medicine, 19th Ed. United States: McGraw-Hill Education, 2015.