Urineburning and testicle & abdomen pain

I done upper gi endoscopy test dr said i have gastrisits he found some erthyematous patches I told dr i have urine burning and TESTICLE pain he said i Don't know about because they are two different organs...he gave me some medicine it's not working on me I already used lot of medicines still fix nothing I consulted so many doctors they all are just giving medicines not even working... I Done ultrasound and std test and urine culture sensitivity test  all reports are normal I'm confused which doctor should i consult Urologist or GASTROENTEROLOGIST??? Some one help me?? From last 4 month's im suffering this symptoms Urine burning sensation and right TESTICLE pain and total abdomen pain I went so many hospitals but..all these doctors playing games with me