| Portal hypertension | Neoplasms |
| • Cirrhosis of liver | • Peritoneal carcinomatosis |
| • Congestive heart failure | • Pseudomyxoma |
| • Constrictive pericarditis | Miscellaneous |
| • Budd-Chiari syndrome | • Pancreatic ascites |
| • Inferior vena cava obstruction | • Nephrogenic ascites (associated with maintenance haemodialysis) |
| Hypoalbuminaemia | • Myxoedema |
| • Nephrotic syndrome | • Meigs's syndrome |
| • Protein losing enteropathy | |