Urine related problems (very urgent)

Age 20 :urine splits into 2 streams, leakage of urine after urination slow urine flow,at night urine comes 2 3 times total all day 14 times urine is coming,pain from scrotum to anus,burning sensation after urination , i am having since 4 yrs but now past 2 yrs i have no pain (only frequent urination)but pain started  from10 months ago like pelvic pain ,penile pain and lower back pain especially left side,scrotum pain .recently i am consulting my urologists but that urologist is not understanding 3 times happened i went to him he's only giving tablets like soliten contiflo urotone (bladder relaxing tablets)i took those tablets for 4 months but no result ...my postvoid prevoid is normal uroflowmetry is 4ml/sec .KINDLY PLS SOME DOCTOR GIVE ADVICE TO ME TO ADVICE MY DOCTOR He is not understanding my body properly and also he is 15 yrs experience still he not find the cause why it is happening .PLS I REQUEST SOME DOCTOR TO TELL ONLY WHAT DISEASE I am having from your experience . Plssss