Diagram showing the typical location of pain Signs and symptoms of acute<unk>  generally develop rapidly over a few hours or a day. It can cause high fever, pain on passing urine, and abdominal pain that radiates along the flank towards the back. There is often associated vomiting. Chronic<unk>  causes persistent flank or abdominal pain, signs of infection (fever, unintentional weight loss, malaise, decreased appetite), lower urinary tract symptoms and blood in the urine. Chronic<unk>  can in addition cause fever of unknown origin. Furthermore, inflammation-related proteins can accumulate in organs and cause the condition AA amyloidosis. Physical examination may reveal fever and tenderness at the costovertebral angle on the affected side.
Pyelonephritis
Pelvic inflammatory disease
Pyonephrosis
Endometriosis
Ureteritis
Kidney stone disease
Hydronephrosis
Ovarian torsion