My Child Has Tummy Pain Every Day, What Could Be Causing It?

  • September 8, 2026

My Child Has Tummy Pain Every Day, What Could Be Causing It?

If your child is experiencing tummy pain every day, you’re probably asking if there is something seriously wrong? However, most children with recurring abdominal pain do not have a serious underlying disease, but pain still deserves attention. 

That’s why booking an appointment with your paediatrician can assess whether it’s coming from the gut, another part of the body, or a mix of physical and emotional factors.

What are the Common Causes of Recurrent Tummy Pain in Children? 

1. Constipation the cause parents often miss

It doesn’t always mean your child isn’t going to the toilet. Signs include:

  • Have large or hard stools
  • Strain or complain that pooing hurts
  • Hold on to their poo
  • Go several days between bowel motions
  • Have occasional soiling or “accidents”
  • Have bloating or a tummy ache
  • Avoid using the toilet at school
  • Have urgency or frequency of urine
  • Have urinary accidents as a new symptom in a toilet-trained child

Children can get caught in a cycle: passing a hard stool hurts, so they hold on, which makes it worse. Frequency alone doesn’t tell the whole story.

2. Functional abdominal pain

Sometimes a child’s tummy genuinely hurts even though investigations find no specific disease. “Functional” does not mean imaginary, stress, anxiety, school changes, family difficulties and poor sleep can all affect how the nervous system processes sensations from the gut. Treatment focuses on returning to normal activities while addressing what’s contributing.

3. Anxiety and stress

Children don’t always say, “I’m anxious.” Instead, it may present as:

  • Tummy aches
  • Headaches
  • Nausea
  • Poor appetite
  • Difficulty sleeping
  • School refusal
  • Irritability

Pain often shows up before school, tests or sporting events. It’s real, emotional and physical symptoms reinforce each other. Our Behavioural Difficulties service can help identify what’s contributing.

4. Food-related problems

Possibilities may include:

  • Lactose intolerance
  • Coeliac disease
  • Food allergy
  • Excessive fruit juice or sweeteners
  • Very restrictive or unbalanced diets
  • Large meals or eating too quickly

Food intolerance is often blamed too quickly, removing foods without guidance can cause deficiencies and worsen feeding difficulties. If mealtimes are a struggle, our Feeding Difficulties service can help.

5. Reflux and upper gastrointestinal problems

  • Heartburn
  • Acid or food coming back into the throat
  • Upper abdominal discomfort
  • Nausea
  • Early fullness

6. Urinary problems

A UTI can sometimes present mainly as abdominal pain. Look for:

  • Pain or burning when passing urine
  • Needing to urinate frequently
  • New wetting accidents
  • Strong-smelling urine
  • Fever
  • Vomiting

7. Migraine and abdominal migraine

Some children experience abdominal migraine: episodes of significant pain with well periods in between, sometimes with:

  • Nausea or vomiting
  • Pale appearance
  • Headaches
  • Sensitivity to light or sound
  • A family history of migraine

8. Less common medical conditions

A paediatrician may also consider:

  • Coeliac disease
  • Inflammatory bowel disease
  • Thyroid disease
  • Chronic infection
  • Peptic ulcer disease
  • Pancreatic or liver problems

These are far less common than constipation or functional pain, but matter more when warning signs are present, this is where our Paediatric Chronic Conditions service comes in.

What Does Your Child’s Tummy Pain Tell Us?

The pattern matters more than how much it hurts. Your paediatrician may ask:

  • Where does it hurt- belly button, upper, lower, or one side?
  • When does it happen-morning, after meals, at school, at night?
  • How long does it last, and does it wake your child from sleep?
  • What makes it better or worse-food, the toilet, movement, stress?
  • What are their bowel habits like, and are they growing normally?
  • Are there other symptoms-vomiting, diarrhoea, blood in the stool, fever, weight loss, urinary symptoms or fatigue?

Most children won’t need a large number of tests. Blood, urine, stool tests or imaging are considered when the history or examination points to a specific cause, not as a routine step for every child.

Warning Signs Parents Should Not Ignore

Arrange an assessment if pain is associated with:

  • Weight loss or poor growth
  • Persistent vomiting, particularly green (bile-stained) vomiting
  • Blood in the stool or vomit
  • Persistent diarrhoea or unexplained fever
  • Pain that regularly wakes them from sleep or is getting progressively worse
  • Significant loss of appetite or difficulty swallowing
  • Persistent or significant fatigue
  • A swollen abdomen or abdominal mass
  • Significant urinary symptoms
  • Pain interfering substantially with school, sleep, eating or normal activities

These don’t necessarily mean something serious is wrong, but warrant a closer look.

When is it an emergency? Seek urgent care for severe or rapidly worsening pain, a very unwell, pale or lethargic child, persistent or green vomiting, blood in the stool, abdominal swelling, or severe pain with movement. Abdominal pain with testicular pain in a boy also needs urgent review, as torsion can present this way.

Before You See the Doctor

A simple diary for one or two weeks can help. Record:

  • Where the pain occurs
  • When it happens and how long it lasts
  • What your child has eaten
  • Bowel movements and their consistency
  • Any nausea or vomiting, fever or other symptoms
  • Sleep
  • Whether it affects school attendance
  • Any obvious stressful events or situations

The Most Important Message for Parents

Tummy pain is real, even without a structural problem. The aim isn’t to order every test, it’s to understand the pattern, examine your child carefully, look for warning signs, and decide whether investigation is needed. For many children, addressing constipation, sleep, diet or anxiety makes a real difference.

Take-home message. If your child has frequent tummy pain, ask:

  • Could constipation be contributing?
  • Is my child growing normally?
  • Is the pain affecting school, sleep or eating?
  • Are there other symptoms, vomiting, diarrhoea, fever or blood in the stool?
  • Does the pain follow a particular pattern?
  • Could anxiety, stress or school difficulties be contributing?
  • Are there any warning signs that need medical assessment?

The goal isn’t just to make the pain disappear, it’s to understand why, and help your child get back to eating, sleeping, learning and enjoying life normally. Contact us if you are still wanting clarity on your child’s health, we can make a thorough assessment to see if something more is going on. 

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