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  1. About Blastocystis | Blastocystis | CDC

    Sep 4, 2024 · About Blastocystis Key points Blastocystis is a common, microscopic parasite that lives in a person's intestines. It can remain in your intestines for weeks, months, or years. If …

  2. Blastocystis - Wikipedia

    Blastocystis is a genus of single-celled parasites belonging to the Stramenopiles that includes algae, diatoms, and water molds. There are several species, living in the gastrointestinal tracts …

  3. Blastocystis Hominis Infection: Treatment & Symptoms

    Overview What is Blastocystis hominis infection? Blastocystis hominis is a single-celled parasite that infects humans and some animals. Infection with Blastocystis hominis is called …

  4. Blastocystis hominis - Symptoms & causes - Mayo Clinic

    Feb 9, 2023 · Blastocystis is a microscopic parasite that can live in your digestive tract. Researchers don't fully understand the role blastocystis plays, if any, in causing disease. …

  5. Blastocystis Fact Sheet | Blastocystis Research Foundation

    Blastocystosis (BLAST-oh-sis-TOS-is) is an illness caused by a microscopic parasite, Blastocystis ‘hominis’ (also known as Blastocystis ‘hominis’ hominis). Once a person or animal has been …

  6. Blastocystis species - UpToDate

    Mar 19, 2025 · Blastocystis species (previously referred to as Blastocystis hominis) are anaerobic protozoan parasites found in the human gastrointestinal tract [1]. The organism was initially …

  7. Blastocystis Spp.: Symptoms, Causes, and Treatment

    Jul 23, 2025 · Understand Blastocystis, a common gut organism. This guide explains its complex relationship with health and the factors that inform diagnosis and treatment.

  8. Blastocystis: the ongoing parasitological debate - The Lancet

    Aug 29, 2025 · First categorised as a yeast by Alexieff (1911), and now as a protozoan, the pathogenicity of Blastocystis has been a subject of debate. With a wide range of hosts its role …

  9. The Role of Blastocystis spp. in the Etiology of Gastrointestinal …

    This study aimed to present current data on the impact of Blastocystis spp. on the development and progression of gastrointestinal and autoimmune diseases, as well as to explore potential …

  10. About Blastocystosis Infection

    Blastocytosis, also known as Blastocystis infection, is a condition caused by the presence of Blastocystis, a parasite that infects the intestines of humans and animals.