What causes Clostridioides difficile (C. diff) infection in children?

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Last updated: April 17, 2025View editorial policy

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From the Guidelines

Clostridium difficile (C. diff) infection in children is primarily caused by the disruption of normal gut bacteria, most commonly due to antibiotic use, as evidenced by recent studies 1. The main risk factors for C. diff infection in children include:

  • Recent antibiotic exposure, particularly with antibiotics like clindamycin, fluoroquinolones, cephalosporins, and penicillins 1
  • Hospitalization, which increases the risk of transmission through contact with contaminated surfaces or from healthcare workers' hands 1
  • Underlying complex chronic conditions, such as malignancy, solid organ transplant, and inflammatory bowel disease 1
  • Presence of a gastrostomy or jejunostomy tube, which has been found to be an additional independent risk factor 1
  • Use of acid-suppressing medications, such as histamine-2 receptor antagonists and proton pump inhibitors, which may also increase the risk of CDI in children 1 The infection occurs when C. diff bacteria multiply in the intestines after competing bacteria have been eliminated by antibiotics, producing toxins that damage the intestinal lining and lead to symptoms like diarrhea, abdominal pain, and fever. It is essential to note that asymptomatic colonization with C. diff is common in infants and young children, with the highest rates found in infants under 12 months of age 1. To prevent C. diff in children, antibiotics should only be used when necessary, good hand hygiene should be practiced, and hospital environments should be properly cleaned and disinfected 1.

From the Research

Causes of C Diff in Kids

  • The provided studies do not specifically address the causes of C diff in kids, but they do discuss the general causes of C diff infection.
  • According to 2, transmission of C diff occurs by the fecal-oral route, and the most important risk factors include antibiotic therapy, old age, and hospital or nursing home stay.
  • It can be inferred that kids may be at risk of C diff infection if they have been exposed to antibiotics or have been in a hospital or healthcare setting where C diff is present.
  • However, there is no direct evidence in the provided studies to support this inference, and more research would be needed to determine the specific causes of C diff in kids.

Risk Factors for C Diff Infection

  • The studies suggest that antibiotic therapy is a major risk factor for C diff infection 2, 3.
  • Hospital or nursing home stay is also a risk factor, as C diff can be transmitted through the fecal-oral route in these settings 2.
  • The use of concomitant antibiotics for concurrent infections may also increase the risk of C diff infection 3.

Treatment and Prevention of C Diff Infection

  • The studies discuss various treatments for C diff infection, including fidaxomicin, vancomycin, and metronidazole 4, 5, 6.
  • Fidaxomicin and vancomycin are recommended as first-line treatments for initial C diff infection, with fidaxomicin associated with a lower rate of recurrence 6.
  • However, the provided studies do not specifically address the treatment and prevention of C diff infection in kids.

References

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Research

Clostridium difficile infection: review.

European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology, 2019

Research

Fidaxomicin versus vancomycin for Clostridium difficile infection.

The New England journal of medicine, 2011

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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