A detailed look at what to know when your child has appendicitis, from symptoms and diagnosis to treatment and recovery.

This bowel operation may involve the small intestine, large intestine (colon), or rectum. This sheet tells you how to prepare for the surgery and what to expect during it. It also tells you how to help your child recover afterward.

An ulcer is a breakdown of tissue on the inside of the stomach or small intestine. This causes a sore to form. Learn more about what to do when your child has an ulcer in the stomach (gastric ulcer) or in the first part of the small intestine (duodenal ulcer).

Helicobacter pylori (H. pylori) is a common bacteria. It is a cause of ulcers (sores). It weakens the mucus layer that coats the inside of the stomach and first part of the small intestine. Stomach acid can flow through the weakened layer and burn the tissue of the stomach wall.

Detailed information on what to do when your child has uncontrolled leakage of poop (stool).

Ulcerative colitis is a type of inflammatory bowel disease (IBD). It affects your child's large intestine (colon) and rectum (where stool is stored before leaving the body). Ulcerative colitis causes swelling, bleeding, and sometimes sores. Causes are unknown, but your child's symptoms can be managed.

Crohn's disease is a type of inflammatory bowel disease (IBD). It causes swelling, inflammations, and sores in your child's digestive tract. Read on to learn more about this condition.

Your child is having vomiting or retching (gagging) that goes on for hours, or even days. During this time, your child may also have headaches or stomach pain. Then it goes away for weeks or months at a time. Your child may have a rare problem called cyclic vomiting syndrome (CVS). CVS is sometimes known as abdominal migraine.

Lactose intolerance is not a milk allergy. Having lactose intolerance means that your child can't digest lactose. This is a sugar found in milk and other dairy products. Lactose intolerance can be managed. Here's what you should know.

Irritable bowel syndrome (IBS) is a relatively common condition in children. It affects your child's digestive tract, where food is broken down to give your child energy and help him or her grow. No one knows exactly what causes IBS, although it may be a result of the nerves in the intestine being overly sensitive, causing spasm and changes in the way the intestine contracts. IBS may come and go, but there are things you can do to help your child feel better.