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Abdominal Pain or Stomach Ache in Children: Causes, Signs, Treatment

Abdominal Pain or Stomach Ache in children is the most common complaint and one of the most common reasons for parents to take their children to pediatricians. There are many causes for abdominal pain in children. Some of them are quite minor, whereas some can be quite serious in nature. However, with correct diagnosis and right treatment, the problem of abdominal pain or stomach ache in children can improve quite quickly. The tricky part for parents is to decide whether their children’s complaint warrants immediate medical attention or not. Treatment depends on the cause of abdominal pain and can range from rest and liquid diet to hospitalization and even surgery.

Abdominal Pain or Stomach Ache in Children

Causes of Abdominal Pain or Stomach Ache in Children

Given below are 6 common causes for the abdominal pain or stomach ache in children


Infections such as bacterial or viral can cause abdominal pain, e.g. stomach flu (gastroenteritis). Abdominal pain or stomach ache in children caused due to viral infections have a tendency to abate quickly, whereas bacterial infections need antibiotics for treatment.

Food Intake

If children have been exposed to eating contaminated food then it can lead to food poisoning, which has symptoms similar to that of gut/stomach flu. Other food related causes for abdomen pain or stomach ache in children include overeating, food allergies, gases resulting in bloating and discomfort. If the cause of abdominal pain or stomach ache in children was due to contaminated food intake then its symptoms often occur immediately after eating.


Over dosage of medications like acetaminophen (acetaminophen poisoning) also causes stomach ache in children.

Accidental Swallowing

Kids, especially infants, tend to put everything in their mouth, such as medicine tablets, eating soap, swallowing coins etc.. all these things result in abdominal pain or stomach ache in children. One has to be very careful about this aspect because accidental swallowing can also block the airway and that can be a medical emergency.

Surgery Related

Causes or problems related to surgery such as obstruction of the bowels or appendicitis also causes stomach ache in children.

Other Medical Issues:

Children can have abdominal pain, as a result of complications from diabetes. Other causes such as getting bitten by a black widow spider also causes pain in the abdomen.

Signs and Symptoms of Abdominal Pain or Stomach Ache in Children

When children, especially infants, have abdominal pain or stomach ache, they will cry a lot or curl up; this is the first indication that something is not right. Older children can easily tell their parents how they feel, where it hurts, etc. It’s very important for a parent to elicit correct information from their children so that their doctor can arrive at the correct diagnosis and treatment.

Parents should look into the following signs and symptoms of abdominal pain or stomach ache in children:

Duration of Discomfort

Length of the time for which the child has had symptoms of stomach ache is important. Abdominal pain in children subsides in a short time if the cause is minor. Other causes such as stomach flu, can cause persistent abdominal pain in children for more than a day and needs medical attention.

Site of the Pain

Usually pain symptoms from simple reasons is situated in the abdomen’s center. In such cases, children tend to rub around their belly button. If the abdominal pain is felt in other regions, then it is a cause for concern, especially if it is in the lower abdomen or in the right abdominal region, as then the symptoms of abdominal pain or stomach ache in children could be due to appendicitis.

General Appearance

If the child appears very sick, i.e. if one has pallor, is sweating, is not able to eat or hold down any food, then immediate medical attention should be sought to address these symptoms that accompany stomach ache in child.


Symptoms of abdominal pain in children is often accompanied by vomiting and it does not necessarily mean a serious problem. However, if the vomiting persists for a long time, i.e. for more than a day; and if the vomit is of yellow or green color; or if it contains blood, then it is a cause for concern and parents should take their child immediately to the ER.


Like vomiting, diarrhea also often accompanies abdominal pain and indicates viral cause. In most cases diarrhea doesn’t last for more than 3 days, but if it persists beyond that and contains blood, then parents should seek immediate medical care.


If the cause of abdominal pain or stomach ache in children is infection, then fever is present and it may not necessarily be a serious problem; likewise, for some serious causes of abdominal pain, the child may have a high temperature.

Pain in The Groin

Abdominal pain or stomach ache in children can be radiated from other sources, such as in testicular torsion in boys. So, if your child indicates any groin pain, immediate medical attention should be sought and if ignored, then it can result in a serious situation.

Problems With The Urinary System

If abdominal pain is accompanied with signs or symptoms of difficulty in urinating, pain with urination, frequent urination, then it may indicate an infection in children and needs medical attention.

Appearance of Rash:

Abdominal pain in children when accompanied with a rash is a serious concern and requires immediate medical attention.

Abdominal Pain or Stomach Ache in Children

Investigations To Diagnose Abdominal Pain or Stomach Ache in Children

  • Blood tests including CBC, LFTs, blood cultures, lead level and/or amylase/lipase levels.
  • Complete urine examination (CUE) may be required to diagnose the cause of stomach ache in children.
  • Stool test to check for parasites, bacteria or blood.
  • X-ray of the abdomen.
  • Ultrasound of the abdomen (and testicles if needed).
  • CT scan of the abdomen.
  • Barium enema/swallow.
  • Pelvic exam.
  • Anal manometry.

Treatment of Abdominal Pain or Stomach Ache in Children

Treatment for abdominal pain in children depends on the cause of the pain. Minor causes only require rest, lots of fluids and a bland diet. If the cause of abdominal pain is some serious medical condition, then hospital stay and surgery may be needed.

Given below are some simple treatment measures which can help get rid of abdominal pain or stomach pain in children:

  • Rest: Rest is important for any illness. For abdominal pain in children, lying face down helps in alleviating pain from gases.
  • Diet: Liquid diet is very important; however, you should never force your child, especially if he/she is vomiting, as they won’t be able to hold too much liquid. The best way is to give your child small sips of fluids (around 1 to 2 ounces), periodically (every 10 to 15 minutes), till the child is able to keep down more. Drinks which are sugary, tinted, caffeinated, carbonated, salty or fatty should be strictly avoided.
  • Fluids to Give: Milk, tea, coffee, dark colas, fruit juices and sports drinks should not be given to children suffering from abdominal pain or stomach pain. Water and boiled milk should be avoided in infants, as they can cause disturbances with the salt content in their bodies, plus milk is difficult to digest for a sick stomach. Over-the-counter oral electrolytes are easily available and are recommended by the doctors as best to be given in such cases. However, the parents should try to get back their child on normal feedings as soon as the child feels better.
  • Start Solid foods slowly such as with toast and crackers then you can move on to regular foods depending on the tolerance level of your child.
  • Fruits, such as apple sauce and banana, and other foods like cooked rice are also recommended after a liquid diet.


  1. “Abdominal Pain in Children: What Should Parents Do?” by Dr. Alan Greene, Verywell Family. Available at: https://www.verywellfamily.com/abdominal-pain-in-children-2633811
  2. “Abdominal Pain in Children” by Christopher Gambacorta, MD, MSD, MSDx. Available at: https://www.msdmanuals.com/professional/pediatrics/symptoms-in-infants-and-children/abdominal-pain-in-children
  3. “Abdominal Pain in Children” by Dr. Janice Joneja, HealthLink BC. Available at: https://www.healthlinkbc.ca/health-topics/abdominal
  4. “Abdominal Pain in Children” by Rachel Reiff Ellis, Healthline. Available at: https://www.healthline.com/health/childrens-health/abdominal-pain-in-children
  5. “Stomachache or Abdominal Pain in Children” by Nemours KidsHealth. Available at: https://kidshealth.org/en/parents/abdominal-pain.html
Pramod Kerkar, M.D., FFARCSI, DA
Pramod Kerkar, M.D., FFARCSI, DA
Written, Edited or Reviewed By: Pramod Kerkar, M.D., FFARCSI, DA Pain Assist Inc. This article does not provide medical advice. See disclaimer
Last Modified On:July 17, 2023

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