in guideline Gastroenteritis DOID:2326 SCDO:0007198 Sufficient http://purl.obolibrary.org/obo/DOID_2326 A gastrointestinal system infectious disease that involves inflammation of the lining of the stomach and small and large intestines, which is caused by viruses, bacteria, or parasites. Chemicals and drugs also cause gastroenteritis. The symptoms include diarrhea, loss of appetite, nausea, vomiting, cramps, and discomfort in the abdomen. Infection A Parental Guide to Managing Sickle Cell Disease Sickle Cell Disease: The Clinical Care Guidelines of the Sickle Cell Unit