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Blastocystis Hominis Infection

Blastocystis Hominis Infection Causes

Blastocystis hominis infection is caused by a relatively harmless yeast known as B. hominis. Although considered harmless, this single-celled organism is a parasite, behaving like a tiny animal and hunts other microbes for food. Blastocystis hominis infection may be transmitted through oral-fecal contact, often as a consequence of inadequate sanitation or poor hygiene.

Blastocystis Hominis Infection Definition

Blastocystis hominis infection is an infection caused by a microscopic parasite known as B. hominis, which is commonly found in human stools.

Blastocystis Hominis Infection Diagnosis

To diagnose blastocystis hominis infections, the following diagnostic tests may be done: stool or fecal exam; endoscopy; blood tests; and standard imaging tests to scan for potential swelling or scarring of the internal organs.

Blastocystis Hominis Infection Symptoms and Signs

Most cases of Blastocystis hominis infections are asymptomatic. However, the infection may also exhibit some abdominal and gastrointestinal symptoms, including: diarrhea, nausea, fatigue, bloating, flatulence or excessive gas, abdominal cramps, and anal itching.

Blastocystis Hominis Infection Treatment

In general, patients with blastocystis hominis in their stool rarely need treatment. Even if the patient does become symptomatic, the symptoms of the infection usually clear up on their own. If symptoms persist, some medications may be recommended, including: metronidazoles; the combination medication sulfamethoxazole and trimethoprim; as well as antiprotozoal medications such as iodoquinol.

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