Filed under: Infectious Diseases
Blastocystis hominis (B. hominis) is a microscopic parasite sometimes found in the stools of healthy people as well as in the stools of those who have diarrhea, abdominal pain or other gastrointestinal problems. Infection with B. hominis is called blastocystosis.
Researchers don't yet fully understand the role that B. hominis plays in causing an infection. Certain subtypes of this parasite may be more likely to cause infection, or may pose a risk only when combined with other types of infection. In some cases, the parasite simply resides in the digestive tract without causing harm.
There are no proven treatments for Blastocystis, and the infection usually clears up on its own. However, if signs and symptoms don't improve, your doctor may recommend trying medications.
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