Common differential diagnoses for weight loss in older children and adolescents
| Endocrine | Diabetes mellitus, hyperthyroidism, glucocorticoid insufficiency |
| Gastrointestinal | Coeliac disease, inflammatory bowel disease, peptic ulcer disease |
| Oncological | Lymphoma, leukaemia, intracranial tumours (eg, germinoma) |
| Infection | Tuberculosis |
| Psychiatric | Anorexia nervosa, EDNOS, depression |
EDNOS, eating disorder not otherwise specified.