Possible causes of Flank pain
25 conditions can cause this symptom. Most common are listed first.
- Cholelithiasis (gallstones) Common
- Colonic diverticulitis (large intestine inflammation of diverticula) Common Urgent
- Nephrolithiasis (kidney stone) Common
- Pyelonephritis (kidney infection) Common Urgent Pediatric
- Retroperitoneal hemorrhage (flank bleeding) Common Urgent
- Urinary tract infection (UTI) Common Pediatric
- Abdominal aortic aneurysm (dilation) Urgent
- Appendicitis Urgent
- Back trauma (injury)
- Cholecystitis (infected gallbladder) Urgent
- Crohn's disease (regional enteritis, Crohn's colitis, intestinal inflammation) Urgent
- Fibromyalgia
- Kidney cancer (tumor)
- Muscle strain (pulled muscle)
- Myocardial infarction (heart attack) Urgent
- Pleuritis (inflammation of the lung's lining, pleurisy)
- Pneumonia (lung infection) Urgent
- Polycystic kidney disease
- Renal infarct (kidney damage from an area of blocked blood flow) Urgent
- Renal trauma (kidney trauma) Urgent
- Renal vein thrombosis (kidney vein clot) Urgent
- Rib fracture (broken bone)
- Shingles (herpes zoster)
- Spleen injury (splenic rupture) Urgent
- Ulcerative colitis (large intestine inflammation)