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Blastocystis & Dientamoeba: Gastrointestinal Pathogens or Commensal Symbionts?

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Many of our patients present with gastrointestinal signs and symptoms. When tested, some of these patients have Blastocystis, Dientamoeba, or both organisms, present in their gastrointestinal tract. When the two coincide – the presence of both GI symptoms and Blastocystis and/or Dientamoeba in the stools – does it necessarily follow that these organisms are the cause of that patient’s GI symptoms?

In this presentation, Dr Hawrelak will explore the Blastocystis and Dientamoeba literature; particularly in relation to their potential pathogenicity.

Do we need to eradicate these organisms when present?

Are they really pathogens?

Or are they commensals with functional roles in the microbiome?

Is the presence of Blastocystis a sign of a healthy or dysbiotic colonic ecosystem?

These questions, and many more, will be addressed in this webinar.


Your Instructor


Dr Jason Hawrelak BNat (Hons), PhD, MASN, FACN
Dr Jason Hawrelak BNat (Hons), PhD, MASN, FACN

Dr Hawrelak is a probiotic researcher, educator, and clinician with over 20 years experience treating mainly gastrointestinal conditions and more than 18 years teaching students and practitioners how to diagnose and treat gastrointestinal conditions, as well as how to promote optimal gut health. Click here for a full bio.


Course Curriculum


  Blastocystis & Dientamoeba: Gastrointestinal Pathogens or Commensal Symbionts?
Available in days
days after you enroll

Frequently Asked Questions


How long do I have access to the course?
You will have access to the webinar for 4 months and you can print off the pdf notes at any point during this time.
What resources do I get?
You'll get access to the webinar to watch and will have access to a printable pdf copy of the session slides. You'll also get a certificate of completion when you finish the course.
Can I claim continuing professional education points (CPE) after the completion of the course?
Please check with your professional association in regards to their CPE requirements. Some health professionals in some countries will certainly be able to claim the CPE/CPD points for the completion of the courses and webinars (e.g., naturopaths and nutritionists in Australia). You will receive a certificate upon completion of the course.
Is it possible to consult with Dr Hawrelak about my complex cases or get his input on test interpretation?
To enquire about a mentoring session with Dr Jason Hawrelak, contact the Goulds Natural Medicine Clinic via email ([email protected])

Get started now!