What Could Be Causing Right Lower Pelvic Pain During Masturbation And A Vibrating Sensation Under The Testicles?

hi recently i started having pain in right lower side of pelvic while masturbating, i don t know why this is happening , may be its bladder infection or something . also i feel constant vibration in between legs under testicles area note: i am used to sit or long time due to office work and often need to control urine, also i have habit of drinking water in night before bed