Table 2.
Differential diagnosis.
| (1) Recurrent vomiting due to gastroesophageal reflux disease or any other abdominal pathology in the abdomen |
| (2) Chronic infection, e.g., pyelonephritis |
| (3) Eating disorder, e.g., anorexia nervosa |
| (4) Syndrome of inappropriate antidiuretic hormone secretion (SIADH) |
| (5) Adrenal insufficiency |
| (6) Cyclical vomiting syndrome |
| (7) Psychogenic vomiting |