The last 3 weeks I have had lower groin pain like a heavy ache that's off and on which extends down to the upper right side of my testicle. I have already had 3 separate urine tests, a physical exam and an ultrasound of my groin/abodminal area which was all clear. The doctor has prescribed me antibiotics even though the tests came up clear and he thinks its epididymitis, but I am hesitant to take them because of my gastritis and digestive issues, could this be a uti or yeast overgrowth?