Pain in testicles. For how many days?

I got bleeding one time from penis while masturbation and after 2 days i feels chills and pain starts in penis and testrones,i go to doctor they recommend a abdomen ultrasound, which results out normal. then they give me a bleeling control medicinea antibacterial medicine, after medicine cource pain relife for some time but now i got chills back and a little bit of pain in upper part of penis and testrones. there are 2-3 leukocyte in urine report. one thing more, after taking medicing my penis standing ability increases, but now its decreases, whats kind of signs they are or what medical problems i have. can u recommend some test or something?? first i take amoxicillin, can u recommend another medicine which i take now and for how many days ??