I’ve been having issue with a kidney (maybe it’s my iud idk. No one does) since oct. pain in my lower back and blood in my urine about every 2 weeks it seems. I’ve been tested for utis (just went in for one today). I’m so worried about kidney. What if it’s kidney failure? Has anyone experienced kidney failure? My doctor thinks it’s kidney stones (i have a history). I see a urologist in February 18. I’m just so anxious about this.