| Dehydration, hypotension, or shock out of proportion to severity of current illness |
| Nausea and vomiting with a history of weight loss and anorexia |
| Abdominal pain, so-called "acute abdomen" |
| Unexplained hypoglycemia |
| Unexplained fever |
| Hyponatremia, hyperkalemia, azotemia, hypercalcemia, or eosinophilia |
| Hyperpigmentation or vitiligo |
| Other autoimmune endocrine deficiencies, such as hypothyroidism or gonadal failure |
