I have a burning sensation after my bladder is empty, severe back pain on both sides of mid back. When this started 5 days ago, I had the frequency issues but not anymore. I did take OTC Azo, but it did not help the burning at all. 3 years ago I did have kidney stones after being on the injectable drug that treated osteoporosis, but after 16 months on the drug and the issues my Dr at the time said to stop using it. I have had a partial hysterectomy, endomitriosis, fibroids and something else?? Dr said I was a mess in there, that was 7 years ago. I am 56 yrs old. Thanks