Differential Diagnosis for Baby Poop Black
- Single most likely diagnosis
- Meconium: This is the most common cause of black stool in newborns, as meconium is the first stool of a newborn and is typically black or dark green in color. It is composed of waste materials that the baby ingested while in the womb.
- Other Likely diagnoses
- Blood in stool: Although less common than meconium, blood in the stool can cause it to appear black. This could be due to swallowed maternal blood during delivery or a gastrointestinal issue.
- Iron supplementation: Iron supplements can cause black stools in infants, especially if they are taking high doses.
- Do Not Miss (ddxs that may not be likely, but would be deadly if missed.)
- Gastrointestinal bleeding: Although rare, gastrointestinal bleeding can cause black stools and is a life-threatening condition that requires immediate medical attention.
- Intussusception: This is a condition where a part of the intestine telescopes into another part, causing bowel obstruction and potentially life-threatening complications. Black stools can be a sign of intussusception.
- Rare diagnoses
- Melanosis coli: A rare condition where the colon becomes discolored due to the accumulation of lipofuscin, a type of pigment. This can cause black stools, but it is extremely rare in infants.
- Pseudomelanosis coli: A condition where the colon appears black due to the accumulation of pigment from certain medications or substances. This is also extremely rare in infants.