Kidney Swelling From Infection. It happens when urine cannot drain out from the kidney to the bladder from a blockage or obstruction. Kidney infections usually start with a bladder infection that spreads to your kidney.

Hydronephrosis can occur in one or both kidneys. Hydronephrosis is the swelling of a kidney due to a build up of urine. Kidney infections are one of the most common urologic conditions that we see in general urology practice fara bellows m d a urologist at the ohio state university wexner medical center.
Drink lots of water.
Hydronephrosis causes hydronephrosis occurs due to blockage of the outflow of urine from the kidney to the bladder leading to kidney distension. Hydronephrosis is the swelling of a kidney due to a build up of urine. Drinking plenty of water can help flush bacteria from the body helping the infection to be. It happens when urine cannot drain out from the kidney to the bladder from a blockage or obstruction.