Related Experiment Video
Updated: Aug 11, 2026

Noninvasive Sampling of Mucosal Lining Fluid for the Quantification of In Vivo Upper Airway Immune-mediator Levels
Published on: August 7, 2017
Allergic colitis presenting in the first day of life: report of three cases
D Kumar1, A Repucci, J Wyatt-Ashmead
1Department of Pediatrics, MetroHealth Medical Center, Cleveland, Ohio, USA.
Insights
Allergic colitis in newborns presents with hematochezia and requires excluding other causes. Diagnosis involves infant appearance and specific tests, with treatment focused on antigen removal.
Area of Science:
- Pediatric Gastroenterology
- Neonatal Immunology
Background:
- Allergic colitis is a potential cause of hematochezia in newborns.
- It should be considered in the differential diagnosis of neonates presenting with rectal bleeding.
Observation:
- Affected infants typically appear healthy.
- Diagnosis is supported by proctosigmoidoscopy and histopathology.
- Exclusion of infectious and anatomic disorders is crucial.
Findings:
- Infants with allergic colitis often respond to antigen withdrawal.
- Hydrolyzed cow's milk protein or elemental formulas are effective.
- For breastfed infants, maternal dietary antigen elimination is key.
Implications:
- Early diagnosis and management of allergic colitis improve infant outcomes.
- Dietary modifications are the cornerstone of treatment.
- Understanding allergic colitis is vital for neonatal care.
Abstract:
Allergic colitis can occur within hours of birth and should be considered in the differential diagnosis of any newborn in whom hematochezia develops. This diagnosis should be considered after excluding infectious and anatomic disorders common to this age group. The diagnosis is supported by the healthy appearance of affected infants and specific proctosigmoidoscopic and histopathologic findings. Infants with allergic colitis usually respond to withdrawal of the offending antigen, by the use of hydrolyzed cow's milk protein formula or more elemental formulas, or if the infant has been breast fed, by the strict removal of the offending antigen from the breast-feeding mother's diet.
More Related Videos
07:50A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
Published on: September 20, 2018
08:50A Murine Model of Fetal Exposure to Maternal Inflammation to Study the Effects of Acute Chorioamnionitis on Newborn Intestinal Development
Published on: June 24, 2020
Related Concept Videos
Allergic Reactions
Development of Immunocompetence
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
Inflammatory Bowel Disease I: Ulcerative Colitis
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
Inflammatory Bowel Disease I: Introduction
Inflammatory Bowel Disease II: Ulcerative Colitis
Inflammatory Bowel Disease III: Crohn's Disease