AT NIGHT -PAIN IN PENIS HD WOKES 4 URINE

Especially At Night - Automatically I was Woked Every Hour - Pain on Penis Head HAPPENS- Urges For Urine Passing Pain- But I Have to Forcibly have To Drink Water Minimum 200 to 250ML Every time & Apply Force to Pass Urine - As Soon As Urine Passed (Urine Passed in Very Clear in Color (the Water drank comes out)- All the Pain in the Penis Head is Completely Relieved For Next 1 Hour - I Will Have Sound Sleep for Next 1 Hour Only - After This Period The Pain At the Penis Head Once Again Automatically WOKES ME UP - This Will Go Upto 8 AM in the Morning ( Minimum 6 to7 Times) After 9AM the Passing of Urine is Normal On Urge for Urine Passing - As Soon As Try to Pass - With Little Pressure Urine Passed - Kindly Diagnose My Problem - I Will be Very Helpful - The ULTRASOUND SCAN IS NORMAL -NO PROSTATE ENLARGEMENT IS SEEN Since 7 to 9 Month I  Am Having this Problem - 1 Year Back I Was Diagnosed for Urine Infection & Treated With Antibiotics By My General Physician - Now he Says he is Clueless.