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Blastocystis hominis is a single-celled eukaryotic organism that inhabits the gastrointestinal tract of humans and various animals. [1] This stramenopile exhibits significant genetic diversity and has become an organism of increasing scientific interest due to its widespread distribution and controversial role in human health. [ 2 ]
Blastocystis cysts have been shown to be resistant to chlorination as a treatment method [42] and are among the most resistant cysts to ozone treatment. [ 43 ] Contaminated Food : Contamination of leafy vegetables has been implicated as a potential source for transmission of Blastocystis infection, as well as other gastrointestinal protozoa. [ 44 ]
Nitazoxanide is an effective first-line treatment for infection by Blastocystis species [11] [12] and is indicated for the treatment of infection by Cryptosporidium parvum or Giardia lamblia in immunocompetent adults and children. [1]
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 of species as diverse as humans, farm animals, birds, rodents, reptiles, amphibians, fish, and cockroaches. [2]
Blastocystis spp. intestinal direct microscopy of stool (PCR, antibody) • worldwide: one of the most common human parasites [1] [2] • Developing regions: infects 40–100% of the total populations [1] [2] [3] eating food contaminated with feces from an infected human or animal Cryptosporidiosis: Cryptosporidium spp. intestines stool widespread
Entamoeba coli is a non-pathogenic species of Entamoeba that frequently exists as a commensal parasite in the human gastrointestinal tract. E. coli (not to be confused with the bacterium Escherichia coli) is important in medicine because it can be confused during microscopic examination of stained stool specimens with the pathogenic Entamoeba histolytica. [1]
Antiparasitics are a class of medications which are indicated for the treatment of parasitic diseases, such as those caused by helminths, [1] amoeba, [2] ectoparasites, parasitic fungi, [3] and protozoa, [1] among others.
Blastocystis is a single-celled protozoan which infects the large intestine. Physicians report that patients with infection show symptoms of abdominal pain, constipation, and diarrhea. [54] [55] [56] One study found that 43% of IBS patients were infected with Blastocystis versus 7% of controls. [49]