Doctors at odds over gut parasites

Infectious disease specialists have accused Sydney GP and former AMA president Professor Kerryn Phelps of promoting unnecessary tests and treatment for controversial gut parasites.

In an article in Fairfax last week, Professor Phelps urged patients with unexplained bowel symptoms to find a doctor willing to order polymerase chain reaction (PSR) testing for Dientamoeba fragilis and Blastocystis hominis.

While acknowledging there was debate about whether the parasites might be responsible for IBS symptoms, she

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