<unk>  is the presence of stones, in the kidneys or the ureters, formed by different substances.  The common presentation is a severe colic type pain in the abdomen flanks, sometimes including nausea, vomits or even fever.
Nephrolithiasis
Pyonephrosis
Pyelonephritis
Renal colic
Kidney stone
Nephritis
Hydronephrosis
Glomerulonephritis