I am sorry to hear the the pain remains so unbearable. But, I am glad to hear that your kidneys are functioning. Have the doctors run any other tests to try to determine why they are so painful?
I know that when I do not drink enough water, I get unbearable pain in my kidneys. Now, I vow to drink a half-gallon of water every day. I make a picture of infused water every day. I cut up fresh fruits (like lemons, stawberries, limes, etc) and sometimes a few herbs like mint, and place them in my water each moring. Each time I walk past the picture, I pour myself a glass of water and drink it down. I do this all day long until the 1/2 gallon picture is empty. I start all over with fresh fruit etc. each morning. Since doing this, I have not had kidney pain. There are some great recipes for infused water online.
I do hope that you feel better and get some relief soon. Warm hugs.
Peace and Blessings
Look For The Good and Praise It!