Causes of chronic abdominal pain

Chronic acid peptic disease

Neurological causes

• Herpes Zoster
• Tabes dorsalis
• Radiculopathy

Retroperitoneal causes

• Malignancy
• Lymphadenopathy
• Abscess

Metabolic / endocrine

• Intermittent porphyria
• Hypercalcemia, dyslipidemia
• Hematological
• Henoch-Schonlein purpura
• Sickle cell disease

Bleeding diathesis

• Drugs
• Corticosteroid
• NSAID

Psychogenic causes

• Depression
• Somatisation disorder
• Hypochondriasis

Chronic inflammation of

• Appendix, gallbladder
• Peritoneum, pancreas
• Acid peptic disease