After the removal of my catheter, about 2AM I had the urge to pee. I couldn't and my bladder was full and my brother took me to emergency. It took a doctor almost a hour to see me and I was experiencing excruciating pain from my bladder. Finally a doctor arrived, catherized me and drained my bladder. I was put back on a catheter and bag for at least a month. After that time, it was removed and I was able to urinate on my own. Of course, I was instructed to self catherize during that time to make sure my bladder was empty. Not pleasant but all of that worked and I enjoyed normal urination afterwards.
Good luck!