If KRW's eccellent advice does not solve your problem, please get an evaluation by a qualified pelvic floor physical therapist. Also please get evaluated by a urogynecologist, with interests in Bladder pain/IC, and pelvic floor dysfunction. You may find that your symptoms may be greatly relieved or even cured by a qualified pelvic floor pt.
Hi
I have had similar symptoms and my problem was an inflammed bladder, the specialist I saw about it put me on an acid free diet - cutting out tomoato, cheese onion etc and no soft drink or alcohol for 4 months my symptoms went away after one week of doing this. My symptoms were so bad that if I was sitting down and leaned to one side I would feel pain, it was like I had a UTI but there was no infection and this went on for about 6 months (it took that long to get to a specialist), but my problem went away after a week, I also take acidophilus tablets too. Suffered from UTIs as a child all the time and acidophilus helped then too. Oh and he also got me to take one cranberry tablet a day as well for 4 months - so far so good have been on the acid free diet for 2 months now and have not had a UTI since, I was getting them monthly before this. I did have blood though, so this may not be your problem, but thought I would let you know anyway!!!