Warning over worried well seeking faecal pathogen tests

Tests for faecal pathogens such as Blastocystis hominis and Dientamoeba fragilis parasites should not be ordered without first consulting an infectious disease specialist or clinical microbiologist, say pathologists.

Healthy people are increasingly asking GPs for B. hominis and D. fragilis tests after reading about the dangers of the two parasites on the internet, according to Victorian pathologist Dr Harsha Sheorey.

People who test positive often want to get their whole family tested and request ongoing tests to see if they have cleared the parasites, he