prostatitis exercise

im 28 and been suffering with this for about 2 months total now say about 7 weeks. it started with frequent urination,premature ejaculation and erectile dysfunction. didnt notice much at first just thought was urinating alot and going threw face but one night started to feel rectal pressure and pelvic pain and was bad for about a week. the rectal pressure is still there a bit but seems better some days and there is a bit of rectal pain/pressure like golf ball in butt sensation. i had urine test done and blood test and 3 rectal exams now and no signs of infections just said inflammed prostate and tender. how long can this last i have been taking hot baths and aleve on bad days. but heard exercising is good for it and diet i have tried everything. and still have good and bad days today is throbbing in rectum and pelvic region and urinating normal besides hesistant at times. please share stories.