About 3-4 Weeks Ago Bladder Dr. Checked The Inside With

About 3-4 weeks ago bladder dr. checked the inside with endoscope to see if i had any shadows.He said i only had a little infection to the back of the bladder. when he did this it hurt when he went thru the prostate to the bladder. Since this time i have been unable to go to the bathroom, its takes forever to empty bladder have noticed it been happening more and more. is it possible when this was done something damage to theurithia. just unable to go to the bathroom. thank you david h