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Kids can be picky or non-stop eaters -- and they'll complain about stomach pain when they’re grumpy, or not say a word when they truly feel bad.

While most kids eventually settle into predictable eating patterns and most childhood stomachaches will go as quickly as they come, some digestive problems in children can  be a sign of something more serious. Do you know which red flags to watch for -- and when to call the pediatrician?

Digestive Complaints: When Is It an Emergency?

Whether your child's digestive distress involves vomiting, diarrhea, or it's simply a complaint they can't really pin down, if you're worried -- don't hesitate: Always call your pediatrician.

"Trust your instincts," advises pediatrician Chris Tolcher, MD, clinical assistant professor of pediatrics at the University of Southern California School of Medicine. You know your child best, so no matter what the digestive problem is, if it concerns you, contact your child's pediatrician right away.

5 Signs It's Time to See a Doctor

Most digestive problems in children are mild and pass quickly. Here are five of the most common, with tips on when to pick up the phone.

Vomiting

Kids throw up for many different reasons. They get a viral infection, motion sick, food poisoning, fever, they cough too much, eat too much, become over-excited, nervous, or worried. They can vomit because of serious diseases such as meningitis, appendicitis, and intestinal blockages. Along with vomiting, kids may also have diarrhea, stomach pain, or fever.

When to call your doctor: Contact your pediatrician if your child has vomited more than once, there is blood or bile in the vomit, or if your child is under 6 and can’t keep liquids down. For older kids, if they have vomited more than twice in a 24-hour period, or the vomit has blood or bile, call your doctor. You should also call your doctor if there is associated fever, diarrhea, or signs of dehydration, which include:

  • Decreased urination
  • Dry lips
  • Decreased energy
  • Your child looks unwell to you

Abdominal Pain

Abdominal pain in kids can be a sign of many problems, including these common complaints:

  • Constipation
  • Diarrhea
  • Food poisoning
  • Gastroenteritis (“stomach flu”)
  • Gastritis (inflammation of the lining of the stomach)
  • Eating too much

There are many other issues that can cause abdominal pain, which may also be accompanied by bloating, cramping, nausea, or general discomfort. Some less common causes of abdominal pain include:

  • Food allergies
  • Irritable bowel syndrome
  • Appendicitis
  • Intestinal obstruction
  • Pneumonia

When to call your doctor: If your child's abdominal pain "is severe, or going on for more than two weeks," talk to your pediatrician, Tolcher says.

Constipation and Diarrhea

All kinds of things can cause constipation in kids: Potty training stress, a low-fiber diet, lack of fluids or exercise, irritable bowel syndrome, poor bowel habits, diabetes, or medications. Symptoms of constipation include:

  • Abdominal pain
  • Stomach cramps
  • Painful bowel movements
  • Fewer than normal bowel movements.

When to call your doctor: If you see blood in your child's stool, call your physician, says Scott Cohen, MD, pediatrician, and author of Eat, Sleep, Poop: A Common Sense Guide to Your Baby's First Year.



You'll also want to contact your doctor if your child is not having at least one bowel movement every other day, if movements are painful, if there is blood in the stool, or more than normal pushing is needed during a bowel movement.

Kids and Healthy Digestion

Teach your child how and what to eat for healthy digestion.
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