Septicemia due to Bacillus clausii after the use of probiotics. A complication to keep in mind

Michael Muñoz1, Elizabeth Castaño G2, Raúl Esquivel Suman2

  • 1Universidad del Sinú, Montería, Colombia.

Insights

A probiotic, Bacillus clausii, caused sepsis in a malnourished infant. This case highlights the risks of using probiotics in immunocompromised children, emphasizing caution in vulnerable populations.

Area of Science:

  • Microbiology
  • Clinical Medicine
  • Pediatrics

Background:

  • Probiotics, including Bacillus clausii, are widely used for health benefits.
  • Complications from Bacillus clausii are rare, especially in pediatric patients.
  • This study focuses on a rare case of sepsis in an infant linked to Bacillus clausii.

Observation:

  • A 4-month-old infant with protein-calorie malnutrition presented with severe diarrhea and dehydration.
  • The infant received Enterogermina (containing Bacillus clausii) as part of initial treatment.
  • The infant developed sepsis, with Bacillus clausii identified in blood cultures, alongside MRSA and Clostridioides difficile.

Findings:

  • The infant exhibited signs of shock, respiratory distress, and impaired consciousness.
  • Despite intensive care and multiple antibiotic treatments, the infant's condition worsened.
  • The infant ultimately died from multisystem organ failure.

Implications:

  • The use of probiotics in immunocompromised individuals, including those with malnutrition or severe diarrhea, warrants caution.
  • Risk factors like malnutrition and intestinal damage may predispose patients to probiotic-induced bacteremia and sepsis.
  • Healthcare providers should carefully assess risks before administering probiotics to vulnerable pediatric populations.

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