Definition: Blockage in any part of the URETER causing obstruction of urine flow from the kidney to the URINARY BLADDER. The obstruction may be congenital, acquired, unilateral, bilateral, complete, partial, acute, or chronic. Depending on the degree and duration of the obstruction, clinical features vary greatly such as HYDRONEPHROSIS and obstructive nephropathy.
Synonyms (terms occurring on more labels are shown first): ureteral obstruction, ureteric obstruction
Drugs with this side effect as MedDRA Preferred Term