how not to be deceived by buying viagra online generic viagra online without prescription Return to top Surgery: Surgery performed to treat diseases such as prostate cancer and bladder cancer often require the removal of nerves and tissues around the affected area which can lead to ED. Some of these surgeries result in only temporary problems (lasting 6-18 months) while others result in permanent damage to the nerves and tissue around the penis and require treatment in order for an erection to be achieved. generic viagra here canadian pharmacy viagra Q. What are the pros and cons of this device? Build energy levels. A. Penile implant surgery is usually a last resort. Although there is nothing wrong with this approach, for many men it's a disservice. In medicine, the option of last resort is usually something that rarely works or has terrible side effects. Implants present a medical conundrum because they are one of the best treatments we have for ED. Implants have the highest patient and partner satisfaction rating, running higher than 90 percent. The only reason they're offered last is because of the surgery involved. In addition, if removal of the device is necessary, the other erectile dysfunction treatments will not be effective because corporal tissue is destroyed with implantation. Also, its risks, although very infrequent, can be significant.