How long does hydronephrosis usually disappear on its own?

Hydronephrosis

is the retention of urine in the kidneys, which can lead to dilation of the renal pelvis and ureters. For mild patients with hydronephrosis, the body recovers faster, and hydronephrosis may disappear spontaneously within weeks to months. For more severe patients with hydronephrosis, if the hydronephrosis is caused by reversible causes, such as urinary tract infection, kidney stones, etc., it generally takes several months to recover spontaneously. But hydronephrosis is organic disease caused by patients, need a long time to cure treatment, specific hydronephrosis disappear time exists personal differences.