The only remedi for prostititis are antibiotics, if that dont work prostrate massage, I have suffered from that for Years, however not the past 5 Years, so I think I will get a seat without horn, I had a MTB while suffering, added this seat. Worked.
http://www.bicycleseats.org/easyseat-bicycle-seat.htm

right now I have a regular Hybrid seat, no issues. But I am looking at a road bike, so I am not sure what I am going to do...