31yrmale. Itching at tip of penis&constant bladder presure once in few mnths. Every time renalFunc, urine anal/culture, US Scan normal. It stays for a week?

NON-SPECIFIC. URETHRITIS (NSU) is a well recognized disorder often associated with Spondylitis its called REITER's SYNDROME ...SEE a UROLOGIST if your PCP is unfamiliar with this entity! There is SPECIFIC TREATMENT! Good luck I hope this helps!