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Differential Diagnosis

Age 

Upper GI Bleed 

Lower GI Bleed 

All ages 

Gastric/duodenal ulcer

Foreign body ingestion

Coagulopathy / bleeding disorder

Disseminated intravascular coagulation (including in the setting of sepsis)

Erosive esophagitis (including caustic injury induced)

Toxic ingestion

Esophagitis/gastritis/duodenitis

Esophageal or ectopic varices

Medication induced bleeding

Trauma (including child physical abuse)

Intestinal polyp

Anastomotic ulcer

Intestinal duplications

Vascular malformation 

Hypothyroidism

 

Bleeding disorder

Foreign body ingestion

Infective colitis 

Intussusception

Medication induced bleeding

Variceal bleed

Vascular malformation

Volvulus 

Hypothyroidism

< 2 years 

Neonates (< 1 month of age)

Cow's milk protein allergy

Swallowed maternal blood

GI malformation

Hemorrhagic disease of newborn

Necrotizing enterocolitis


 
Infants (1 month - 2 years) 

Cow's milk protein allergy

Epistaxis

Peptic ulcer disease  

GI malformation 
 

Allergic proctocolitis 

Anal fissure

Hirschsprung enterocolitis

Lymphoid hyperplasia

Necrotizing enterocolitis 

 

 

 

 

2 – 5 years 

Epistaxis

Peptic ulcer disease

Mallory-Weiss tear

Esophageal varices

Henoch Schonlein purpura

Arteriovenous malformation

Dieulafoy lesion

Stromal tumors 

Anal fissure

Inflammatory bowel disease

Juvenile polyp

Meckel diverticulum  

Rectal prolapse/ulcer  

Lymphoid hyperplasia

Henoch-Schonlein purpura

Hemolytic-uremic syndrome

Perianal steptococcal cellulitis 
 

> 5 years 

Epistaxis

Mallory-Weiss tear

Peptic ulcer disease

Inflammatory bowel disease

Hemophilia  

Arteriovenous malformation

Dieulafoy lesion

Stromal tumors 

Anal fissure

Hemorrhoids

Inflammatory bowel disease

Infective colitis

Juvenile polyp

Meckel diverticulum

Rectal prolapse/ulcer  

Henoch-Schonlein purpura 
 

References

Novak, I., & Bass, L. M. (2023). Gastrointestinal bleeding in children: Current management, controversies, and advances. Gastrointest Endosc Clin N Am, 33(2), 401-421. https://doi.org/10.1016/j.giec.2022.11.003

Owensby, S., Taylor, K., & Wilkins, T. (2015). Diagnosis and management of upper gastrointestinal bleeding in children. J Am Board Fam Med, 28(1), 134-145. https://doi.org/10.3122/jabfm.2015.01.140153

Piccirillo, M., Pucinischi, V., Mennini, M., Strisciuglio, C., Iannicelli, E., Giallorenzi, M. A., Furio, S., Ferretti, A., Parisi, P., & Di Nardo, G. (2024). Gastrointestinal bleeding in children: Diagnostic approach. Ital J Pediatr, 50(1), 13. https://doi.org/10.1186/s13052-024-01592-2 

 

These pathways do not establish a standard of care to be followed in every case. It is recognized that each case is different, and those individuals involved in providing health care are expected to use their judgment in determining what is in the best interests of the patient based on the circumstances existing at the time. It is impossible to anticipate all possible situations that may exist and to prepare a pathway for each. Accordingly, these pathways should guide care with the understanding that departures from them may be required at times.