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What causes Giardiasis?

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A tiny parasite called Giardia intestinalis causes this diarrheal disease. This bug lives all around the world in places that don’t have clean drinking water. It’s a common cause of waterborne illness in the U.S.

From: What is Giardiasis? WebMD Medical Reference

SOURCES:

Medscape: “Giardiasis: Background.”

CDC: “Parasites -- Giardia: General Information,” “Parasites -- Giardia: Treatment.”

Mayo Clinic: Dehydration: Overview: Symptoms & causes,” “Giardia infection (giardiasis): Overview: Symptoms & causes,” “Giardia infection (giardiasis): Overview: Diagnosis & treatment.”

Reviewed by Laura J. Martin on February 15, 2018

SOURCES:

Medscape: “Giardiasis: Background.”

CDC: “Parasites -- Giardia: General Information,” “Parasites -- Giardia: Treatment.”

Mayo Clinic: Dehydration: Overview: Symptoms & causes,” “Giardia infection (giardiasis): Overview: Symptoms & causes,” “Giardia infection (giardiasis): Overview: Diagnosis & treatment.”

Reviewed by Laura J. Martin on February 15, 2018

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How do you get Giardiasis?

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THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

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