Growing evidence suggests that probiotics might serve as a functional food in the treatment of diarrhea.

Here’s what we know.

Clinical trials suggest potential beneficial effects of probiotic therapy for preventing and treating the following conditions

  • Antibiotic-associated diarrhea
  • Rotavirus-induced diarrhea
  • Traveler’s diarrhea
  • Diarrhea-predominant irritable bowel syndrome

The most extensively studied probiotics for diarrhea.

  • Lactobacillus
  • Bifidobacterium
  • Saccharomyces

Here’s what we don’t know.

  • Mechanism of action
  • The correct combination and concentration of probiotics

1/24/07 18:22 JR

Hi, I’m JR

John Russo, Jr., PharmD, is president of The MedCom Resource, Inc. Previously, he was senior vice president of medical communications at, a complementary and alternative medicine website.