Enteric Parasitic Infections

This section includes the most common intestinal parasites (acquired locally or abroad) along with recommended therapy.

• Ova and parasite exam recommended if:
  • diarrhea > 14 days duration or
  • recent travel or immigration from endemic area.

NB: If applicable, specify above on lab requisition.

• Collect one sample initially. Use SAF fixative transport system.

Multiple (3) stool samples on alternate days (collected within 10 days) indicated if any of:

• chronic, persistent or relapsing diarrhea
• illness in person with recent travel history or immigration from endemic areas
• food handler
• suspected helminthic infection.

NB: If applicable, specify above on lab requisition.

• Post treatment ova and parasite exam indicated for:
  • food handlers
  • institutionalized/long term care patients
  • post treatment amebiasis.