Hydronephrosis shine dilation na calyces da ƙashin ƙugu na koda sakamakon toshewar fitsari zuwa ƙasa. Lokacin da sauri cikin farawa, alamun sau da yawa sun haɗa da ciwo maras nauyi, tare da ɓarna mai zafi. Sau da yawa mutane suna samun matsala wajen samun matsayi na tabbatarwa. Tashin zuciya da sha'awar fitsari na iya kasancewa. Lokacin da yake tasowa a hankali babu alamun da zai iya kasancewa. Matsalolin na iya haɗawa da kamuwa da cutar yoyon fitsari da gazawar koda. Yana iya faruwa a matakin ureter, mafitsara, ko urethra. Yana iya faruwa a sakamakon ciwon koda, ciwon daji, ureteropelvic junction stenosis, ureteral strictures, renal cysts, na baya urethra valves, benign prostatic hyperplasia, ciki, retroperitoneal fibrosis, da kuma neurogenic mafitsara. Ganowa yawanci ta hanyar hoto na likita. Jiyya ya dogara da sanadin. Ana yawan sanya catheter na yoyon don ƙananan hanyoyin toshewar yoyon fitsari, yayin da za'a iya sanya ƙwanƙolin urethra ko bututun nephrostomy mai ɗaiɗai don dalilai na urinary mafi girma. Bayan obstructive diuresis na iya faruwa bayan kawar da toshewar. Hydronephrosis na kowa ne.