Parasitic Infections in HIV-Infected Patients

  • Authors: José M. Miró, MD, PhD; Miriam J. Álvarez-Martínez, MD, PhD (More Info)
  • Editors in Chief: Joseph J. Eron, Jr., MD; Daniel R. Kuritzkes, MD
  • Last Reviewed: 10/20/21 (What's New)


    • Cystoisosporiasis is caused by the coccidian parasite Cystoisospora belli
    • Cystoisosporiasis predominates in tropical and subtropical regions and is transmitted via the fecal-oral route
    Clinical Manifestations
    • Major clinical manifestation of isosporiasis is watery, nonbloody diarrhea that can be associated with nausea, vomiting, abdominal pain and cramps, anorexia, and fever
      Prevention of Exposure to the Pathogen
        Primary Prophylaxis
          Secondary Prophylaxis

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