Allergic colitis presenting within the first hours of premature life

Marianne R Faber1, Paul Rieu, Ben A Semmekrot

  • 1Department of Paediatrics, University Medical Centre, St Radboud, Nijmegen, The Netherlands.

Insights

Cow's milk-induced allergic colitis can manifest in premature infants shortly after birth, even after the first feeding. This condition, possibly due to intrauterine sensitization, requires consideration in diagnosing rectal blood loss in neonates.

Area of Science:

  • Neonatal Medicine
  • Allergology
  • Gastroenterology

Background:

  • Cow's milk allergy is a common concern in infants.
  • Rectal blood loss in neonates necessitates a thorough differential diagnosis.

Observation:

  • A premature infant presented with rectal blood loss hours after initial formula feeding.
  • Symptoms resolved upon feeding cessation and recurred upon reintroduction.
  • Necrotizing enterocolitis was ruled out.

Findings:

  • Initial trials with casein-based protein hydrolysate were ineffective.
  • Laboratory tests confirmed cow's milk allergy.
  • Symptoms resolved exclusively with an amino acid-based formula, confirming cow's milk-induced allergic colitis.

Implications:

  • This case highlights cow's milk-induced allergic colitis in a premature infant presenting within hours of birth.
  • Intrauterine sensitization is a likely mechanism, though further research is needed.
  • Cow's milk-induced allergic colitis should be considered in the differential diagnosis of neonatal rectal bleeding.
Abstract

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