Overview
Breastfed babies can go days without stooling and still be fine if stools are soft.
Straining with soft stools is normal (infant dyschezia).
Symptoms
Common signs:
- Baby straining or not pooping
- Hard stools
Less common
- Fussiness
Look up a symptom: Baby straining or not pooping
When to get medical care
Call 911Green vomit, a swollen hard belly, or a baby who is very sleepy.
Get care todayBlood in stool, or no stool with vomiting.
See a doctor soonConstipation lasting more than 2 weeks, or in a baby under 1 month.
Causes
Formula changes, starting solids, and dehydration.
Does it spread or run in families?
- It isn't contagious. You can't catch it from someone else.
Who is more likely to get it
- Formula feeding
Diagnosis
Your baby's doctor asks about stools and feeding.
Questions you may be asked
- Stool size and hardness
- Feeding
The exam
A belly and bottom check.
Treatment
Gentle steps help.
Self-care
- Bicycle the baby's legs
- Give a warm bath
- Babies over 6 months: pureed prunes, pears, or a little water
- Make formula exactly as directed
Prevention
To prevent it:
- Mix formula correctly
Which doctor treats this
- Start with your child's pediatrician.
- They may send you to a pediatric specialist: a gastroenterologist (stomach and gut doctor).
Back to school, work, or sports
- Most children can go to daycare or school as usual.
For caregivers
- Learn the warning signs and when to call the doctor or 911.
- Keep a list of your child's medicines, doses, and doctors on your phone.
- Tell teachers, coaches, and sitters what to watch for and what to do.
- Take breaks and ask for help. Caregivers need care too.
Outlook
Usually improves quickly.
Research studies
Research studies test new ways to find and treat health problems. Some are looking for volunteers. Talk with your doctor before joining one.
Sources
Last updated 2026-11-12.