Transmission

• Oral-anal contact (known as “rimming”)

Symptoms

• Watery diarrhea, abdominal cramping/bloating, and flatulence

Testing

• Collect 3 separate stool samples and send stool for detection of Giardia lamblia trophozoite or cyst. Use an Ontario Public Health Lab requisition.

Treatment

• Metronidazole 500 mg twice daily for 5-10 days