Is this your child's symptom?
- Can't pass a stool or pain when passing a stool
- Crying when passing a stool (bowel movement or BM) or
- Can't pass a stool after straining or pushing longer than 10 minutes or
- 3 or more days without passing a stool (exception: breastfed and over 1 month old)
- Caution: any belly pain from constipation comes and goes. Most often, it is mild. Use the Abdominal Pain (Stomach Pain) care guide if there is constant belly pain.
Causes of Constipation
- True constipation is uncommon in infants.
- Sometimes, it is caused by a formula-only diet.
- Infantile botulism is a rare cause of constipation during the first year. More common symptoms are the new onset of a weak suck, weak cry and droopy eyelids.
- Lots of grunting during the first 3 months is often mistaken for constipation. See below.
Grunting to Poop During Early Months – Normal
- Grunting, straining and pushing to pass a stool is normal during the first 3 months
- They also become red in the face.
- They draw up their legs to tighten their tummy muscles.
- They are fussy but not in any pain. They usually don't cry.
- Straining even occurs with soft stools.
- After 5 minutes or so, they usually pass a poop. If not, they most often pass one after the next feeding. Unlike constipation, they pass several soft stools per day. They don't skip days.
- Doctors call this the grunting baby syndrome.
- It is normal, not constipation.
Cause of Grunting to Poop
- Some newborns have to learn how to relax their anus when their rectum is full.
- Reason: they spent 9 months in the womb with the anus tightly closed.
- They also have to build up their tummy muscles.
- This normal process takes longer in some babies than others.
- About 20% of newborns have the grunting baby syndrome.
When to Call for Constipation (0-12 Months)
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