Loss of fluids from the body, sometimes caused by diarrhea. It may result in the loss of important salts and minerals.

Nerve or muscle damage in the stomach that causes slow emptying, vomiting, nausea, or bloating. Also called delayed gastric emptying.

A skin disorder associated with celiac disease and characterized by severe itching and blisters.

The muscle wall between the chest and the abdomen. It is the major muscle used for breathing.

Frequent, loose, and watery bowel movements. Common causes include gastrointestinal infections, irritable bowel syndrome, medicines, and malabsorption.

A nutrition expert who helps people plan what and how much food to eat.

Uncoordinated contractions down the length of the esophagus that may cause pain or trouble swallowing.

Medicines that aid or stimulate digestion. Examples are digestive enzymes for people with lactase deficiency or damage to the pancreas. (Brand names: Lactaid, Ultrase.)

The process the body uses to break down food into simple substances for energy, growth, and cell repair.

The organs in the body that break down and absorb food. Organs that make up the digestive system are the mouth, esophagus, stomach, small intestine, large intestine, rectum, and anus. Organs that help with digestion…