Can masturbating face-down by putting pressure on the penis cause a blockage at the bladder opening, for which I am currently taking Flotral 10 mg?
Your medication, Flotral (alfuzosin), works by relaxing the muscles around your bladder neck and prostate to help urine flow more easily. While pressure from prone masturbation might occasionally cause temporary mild discomfort or irritation, it cannot cause a lasting blockage or undo the benefits of your medication. You are completely safe, but if you ever notice new pain or changes in your urination, please feel free to consult your doctor.