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Related Concept Videos

Drugs for Treatment of Diarrhea-Predominant IBS01:17

Drugs for Treatment of Diarrhea-Predominant IBS

Diarrhea-predominant irritable bowel syndrome (IBS-D) is a subtype of IBS characterized primarily by frequent, loose, or watery stools, abdominal pain, and abdominal discomfort. Therapeutic approaches to managing IBS-D include dietary changes, stress management techniques, and pharmaceutical interventions.
Two specific drugs used in the treatment are alosetron (Lotronex) and eluxadoline (Viberzi). Alosetron, a 5-HT3 antagonist, works by slowing the movement of stools in the gut, reducing bowel...
Probiotics01:22

Probiotics

Probiotics are live, non-pathogenic microorganisms that confer health benefits by modulating the gut microbiota. The human gastrointestinal tract harbors a complex microbial ecosystem, and the balance of this microbiota is crucial for digestive and systemic health. Among the most extensively studied and utilized probiotics are species formerly classified within the genera Lactobacillus and Bifidobacterium. These organisms not only naturally colonize the human gut but are also consumed through...
Dysbiosis of the Gut Microbiota01:18

Dysbiosis of the Gut Microbiota

The human gut microbiome includes a diverse array of microbial species, including beneficial commensals and opportunistic pathogens, which interact to support host health. These microbes contribute to essential functions such as nutrient metabolism, immune system modulation, and maintenance of intestinal barrier integrity. However, disruptions to this equilibrium—referred to as dysbiosis—can have widespread physiological consequences.Dysbiosis is often characterized by reduced microbial...
Microbiota Modulation by Antibiotics01:21

Microbiota Modulation by Antibiotics

Antibiotics have revolutionized modern medicine by saving countless lives from bacterial infections. However, their widespread use has inadvertently harmed the delicate balance of the human gut microbiota. The gut microbiota, a complex community of bacteria, archaea, viruses, and fungi, plays a vital role in regulating metabolism, immune responses, and maintaining intestinal health. Antibiotics, especially broad-spectrum types, disrupt this ecosystem by eradicating both harmful and beneficial...
Drugs Affecting GI Tract Motility: Antimicrobials as Antidiarrheal Agents01:18

Drugs Affecting GI Tract Motility: Antimicrobials as Antidiarrheal Agents

Acute diarrhea, a common gastrointestinal disturbance, is characterized by the rapid evacuation of fluid stools, leading to an excessive weight in fluid. This condition typically arises from disorders affecting intestinal water and electrolyte transport. It can be triggered by an increased osmotic load within the intestine, excessive secretion of electrolytes and water, mucosal exudation of protein and fluid, or altered intestinal motility. The primary risks of acute diarrhea are dehydration...
Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...

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Related Experiment Video

Updated: Jul 14, 2026

Fecal Microbiota Transplantation via Colonoscopy for Recurrent C. difficile Infection
07:06

Fecal Microbiota Transplantation via Colonoscopy for Recurrent C. difficile Infection

Published on: December 8, 2014

Probiotics for Clostridium difficile diarrhea: putting it into perspective.

Kelly Dowhower Karpa

    The Annals of Pharmacotherapy
    |June 28, 2007
    PubMed
    Summary

    Clostridium difficile diarrhea, a serious infection, often relapses after standard antibiotic treatment. Probiotics offer a safe, effective alternative for patients with recurrent infections, restoring gut flora and alleviating symptoms.

    Area of Science:

    • Microbiology
    • Immunology
    • Gastroenterology

    Background:

    • Clostridium difficile infection (CDI) causes significant morbidity and mortality, with high relapse rates after standard antibiotic therapy.
    • A subset of patients experience recurrent CDI, potentially due to a focal immunodeficiency hindering effective immune response.
    • Current antimicrobial treatments fail to eradicate C. difficile spores, contributing to persistent infections and relapses.

    Discussion:

    • Recurrent CDI poses a therapeutic challenge, as standard antibiotics are ineffective against spores.
    • Patients with repeated relapses may possess an impaired immune response specifically targeting C. difficile.
    • Investigating the host immune response is crucial for understanding treatment failures in recurrent CDI.

    Key Insights:

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    A Protocol to Characterize the Morphological Changes of Clostridium difficile in Response to Antibiotic Treatment
    12:58

    A Protocol to Characterize the Morphological Changes of Clostridium difficile in Response to Antibiotic Treatment

    Published on: May 25, 2017

    Related Experiment Videos

    Last Updated: Jul 14, 2026

    Fecal Microbiota Transplantation via Colonoscopy for Recurrent C. difficile Infection
    07:06

    Fecal Microbiota Transplantation via Colonoscopy for Recurrent C. difficile Infection

    Published on: December 8, 2014

    A Protocol to Characterize the Morphological Changes of Clostridium difficile in Response to Antibiotic Treatment
    12:58

    A Protocol to Characterize the Morphological Changes of Clostridium difficile in Response to Antibiotic Treatment

    Published on: May 25, 2017

    • Probiotics demonstrate potential as a safe and effective adjunctive therapy for managing recurrent CDI.
    • Probiotic use aids in restoring the natural gastrointestinal flora, which is disrupted by antibiotic treatment.
    • This approach offers symptomatic relief and may reduce the frequency of relapses in susceptible individuals.

    Outlook:

    • Further research into the mechanisms of probiotic action in CDI is warranted.
    • Exploring the role of probiotics in conjunction with or as an alternative to conventional therapies could improve patient outcomes.
    • Understanding the interplay between gut microbiota, host immunity, and C. difficile pathogenesis is key for future treatment strategies.