bowel in children
Informed by recognized medical guidance
Overview
The bowel (also called the intestines) is the part of the body that processes food after it leaves the stomach. It turns food into waste (poo) and helps the body take in nutrients. Bowel problems in children are common and include constipation (hard, dry poo that is difficult to pass), diarrhea (frequent, loose, watery poo), and stomach aches.
Key facts
- Most children have occasional bowel problems, such as constipation or diarrhea.
- In most cases, bowel problems in children are short-lived and can be managed at home.
- It is important to watch for signs of dehydration, especially when a child has diarrhea.
Yes. Bowel problems are one of the most common reasons parents take their child to a health visitor or GP (family doctor).
Children of all ages, from babies to teenagers. Constipation is very common in toddlers and older children, while diarrhea is often caused by infections in younger children.
Symptoms
- Severe tummy pain that does not go away
- Vomiting blood or what looks like coffee grounds
- Poo that is black, bloody, or looks like tar
- Signs of dehydration, such as no pee for many hours, sunken eyes, or being unusually drowsy
- A child under 3 months old with a fever or who is very unwell
- ⚠Diarrhea that lasts more than a few days
- ⚠Vomiting with diarrhea that prevents your child keeping fluids down
- ⚠Signs of a pulled-in chest or fast breathing (a sign of dehydration)
- ⚠Tummy pain that gets worse or moves to the lower right side
Common symptoms
- Changes in how often your child does a poo
- Hard, dry or painful poo
- Loose, watery or urgent poo
- Stomach cramps or discomfort
- Bloating or nausea
Symptoms in children
- Pooing fewer than three times a week (for constipation)
- Pooing more than three times a day (for diarrhea)
- Straining or crying during a poo
- Soiling (leaking small amounts of poo into underwear)
- Loss of appetite or feeling full quickly
- Tummy pain that comes and goes
Symptoms in older adults
- Blood in the stool
- Unexplained weight loss
- A change in bowel habits that lasts more than a few weeks
Causes
Main causes
- Viral or bacterial infections (a tummy bug)
- Constipation from too little fiber or fluid
- Overuse of the toilet (holding in poo)
- Food intolerances or allergies
- Medicines (ask your healthcare provider)
- Stress or changes in routine
Risk factors
- Being a toddler or preschooler
- Not eating enough fruits, vegetables, or whole grains
- Not drinking enough fluids
- Recent illness with diarrhea or vomiting
- A family history of bowel problems
When to see a doctor
See a doctor urgently if:
- If your child has any of the emergency symptoms above
- If your child is under 6 months old and has a fever or is very sleepy
- If you see blood or mucus in the poo
Book a routine appointment if:
- If your child has had diarrhea for more than a week
- If constipation lasts more than two weeks despite home care
- If your child is losing weight or not growing well
Diagnosis
Your healthcare provider will ask about your child's symptoms, poo pattern, diet, and fluid intake. They may gently feel your child's tummy. For most children, no tests are needed.
Tests that may be done
- Stool sample (to check for infections)
- Blood test (for dehydration or inflammation)
- Imaging tests like an X-ray (in rare cases, to look for blockage)
What to expect at your appointment
Your healthcare provider will explain what might be causing the symptoms and give you advice on how to help your child. They may ask you to keep a diary of poos and symptoms. In most cases, you will not need a specialist.
Treatment
Treatment depends on the cause. The first steps are usually about keeping your child hydrated, adjusting their diet, and helping them feel comfortable. Always ask your healthcare provider before giving any medicine to a child.
Self-care at home
- Offer plenty of fluids, such as water or clear soups, to prevent dehydration.
- For constipation, gradually add more fibre-rich foods like fruits, vegetables, and whole grains.
- Encourage your child to sit on the toilet after meals, and give them time to relax.
- Praise your child for trying, even if they don't pass a poo.
- For diarrhea, continue feeding your child their normal food, but avoid sugary drinks and very spicy or fatty foods.
Medical treatments
If home care is not enough, your healthcare provider may recommend oral rehydration powders (mixed with water) for diarrhea, or a gentle laxative for constipation. Antibiotics are only used for certain bacterial infections. Never share medicines or use leftover medicines from another child.
When is surgery considered?
Surgery is rarely needed. It is only considered for serious conditions, such as a blocked bowel, that do not get better with other treatments.
Living with this condition
Help your child build a regular toilet routine. Watch for signs that they need the toilet, and let them go without delay. Keep a positive attitude about poo and bodies.
Lifestyle tips
- Make sure your child gets enough physical activity every day.
- Provide regular meals and snacks with a variety of foods.
- Limit sugary drinks and encourage water between meals.
Diet and exercise
A balanced diet with plenty of fiber and water helps keep poo soft and the bowel moving. Daily exercise also helps the muscles that move food through the body.
Mental health and emotional wellbeing
Bowel problems can cause embarrassment or anxiety in older children. Reassure your child that this is common and that you are there to help. If you notice ongoing worry, speak to your healthcare provider.
Prevention
Many bowel problems can be prevented by keeping a healthy diet and routine. Encourage regular toilet times and enough fluids.
Vaccines
Vaccines are available for some infections that can cause diarrhea, such as rotavirus. Ask your healthcare provider about your child's vaccination schedule.
Screening programmes
There is no routine screening for bowel problems in healthy children. Screening may be offered if a child has ongoing symptoms or a family history.
Complications
If left untreated
- Dehydration from diarrhea or vomiting
- Severe constipation leading to a blocked bowel
- Soiling (leaking poo) due to long-term constipation
- In very rare cases, a bowel infection can spread to other parts of the body
Long-term outlook
With the right care and support, most children recover quickly and have no lasting problems. Your healthcare team will help you and your child through every step.
Find support
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Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
Related conditions
Sources and guidance
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 31, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.