I hear you and I, am going through the same thing.My mom had a bladder infection and the doctor gave her Cipro which is so powerfull they should take it off the market.My moms kidneys were affected by it and she passed May 5,2015.She had no cancer, no diabetes and in good health.My guilt is I never should have taken her to the hospital in January when she got dizzy from bactrum for her first UTI.I should have just kept her home and wrapped her back.The hospital stay and 2 weeks of Rehab did her more harm than good.My guilt is so much and my grief of her not being here to touch and hug is to much to bare.My grief groups have tried to help but my guilt is still here.