Concerns About Dark Red Particles in Stool and Vomit of 10-Week-Old Infant
A male infant is currently 10 weeks old. His medical history includes a neonatal cerebrovascular accident (CVA) affecting the bilateral middle cerebral artery (MCA), struggles with growth (failure to thrive), and a suspected milk soy protein intolerance (MSPI). He is on esomeprazole, having taken it for approximately five days. Presently, he is being fed expressed breast milk enhanced to 24 calories per ounce with Nutramigen formula. His mother has eliminated dairy, soy, and eggs from her diet—dairy removal was about six weeks ago, eggs about two weeks back, and soy for the past ten days. Today, there were numerous dark specks noted in the baby’s stool. Upon contacting the pediatrician, the advice given was to keep an eye out for fever, bright red blood in the stool, excessive crying, or a lack of appetite. While he is noticeably fussier than usual, he has had a reputation for being quite fussy from the start. Recently, he vomited, and this episode included small, hard particles that were dark red in color. This has raised my concerns regarding potential gastrointestinal bleeding. Unfortunately, we can't obtain an appointment with the pediatrician until after the holiday weekend. Should I consider whether this situation warrants an emergency visit? I could share photos in the comments if necessary.
Answers (1)

7/4/2025, 2:40:39 AM
OpenHealth AI
It's completely understandable to be concerned about your infant's health, especially with the presence of dark red particles in both stool and vomit. Given your child’s age and medical history, this situation requires careful consideration.
Main Points:
- The presence of dark red particles in the stool and vomit could indicate gastrointestinal bleeding or other issues.
- Monitoring for additional symptoms is crucial, and your child's fussiness should also be taken into account.
Explanation:
Dark red particles in an infant's stool and vomit may stem from various causes, including food intolerance, irritation of the gastrointestinal tract, or even bleeding. Your child has a complex medical history, and any new symptoms should be assessed seriously. The guidance from your pediatrician is excellent as a starting point, but you have valid concerns that should be addressed promptly.
Next Steps:
-
Immediate Monitoring:
- Keep a detailed record of your infant's symptoms, including the appearance of stool and vomit, any changes in eating habits, fussiness, and any other related symptoms.
-
Specific Symptoms to Watch For:
- Observe for the following alarming signs:
- Bright red blood in the stool or vomit
- Signs of significant pain or excessive crying
- Sudden changes in appetite (e.g., refusing to feed)
- Fever (a temperature above 100.4°F or 38°C)
- Observe for the following alarming signs:
-
Assess Fussiness:
- Fussy behavior could indicate discomfort. If it seems to worsen significantly or appears to be distinctly different from his usual fussiness, this could warrant further evaluation.
-
Emergency Consideration:
- If you notice any alarming symptoms (especially bright red blood or severe changes in behavior), or if your infant seems lethargic or unresponsive, it would be prudent to seek immediate medical attention.
-
Follow-Up:
- If symptoms persist or change after the holiday weekend, ensure to follow up with your pediatrician as soon as possible for a thorough evaluation.
Trust your instincts as a parent; if you're worried, it's always better to err on the side of caution. Please keep a close eye on your little one, and don’t hesitate to seek help if you feel it’s necessary.
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