Blastocystis hominis

Blastocystis hominis is a common protozoan intestinal parasite, often identified in people with gastrointestinal complaints. While its pathogenic role is debated, it's associated with a range of digestive symptoms and is a frequent finding in stool tests worldwide.

Blastocystis hominis

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What is Blastocystis hominis?

Blastocystis hominis is a microscopic single-celled organism found in the intestines of humans and a variety of animals. It’s one of the most common parasites detected in human fecal samples. The parasite has several subtypes, some of which are thought to be more likely to cause symptoms than others.

What are the symptoms of Blastocystis hominis?

  • Diarrhea
  • Abdominal pain
  • Bloating
  • Gas
  • Constipation (less common)
  • Nausea
  • Fatigue

How is Blastocystis hominis transmitted?

Blastocystis hominis is typically caused by ingesting food or water contaminated with the parasite. It can also be transmitted through direct person-to-person contact, particularly in settings with poor hygiene and sanitation practices. This protozoan parasite commonly causes gastrointestinal symptoms and is one of the most commonly identified parasites in human stool samples worldwide.

How to prevent Blastocystis hominis?

  • Drink clean and treated water, especially in areas where water contamination is common.
  • Practice good hand hygiene, particularly after using the bathroom and before eating.
  • Wash fruits and vegetables thoroughly before consumption.
  • Maintain general food safety practices, especially while traveling to areas with higher incidence rates.
  • Avoid fecal exposure, especially in settings like daycares or nursing homes.

Test(s) that measure/test for Blastocystis hominis

Parasite Test
6 items
Lab TestStool

Parasite Test

The Parasite Test detects six common parasites using a stool sample: Giardia lamblia, Entamoeba histolytica, Cryptosporidium spp., Cyclospora cayetanensis, Blastocystis hominis, an...
€ 189,00 Add to cart

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