Yes. Caverject is injected into the shaft of the penis and is designed to maintain erections and it works very well. It is usually second line to medications like viagra (sildenafil) or cialis. The first dose is usually administered by a doctor in the office to see how you respond and to demonstrate how it is used. Most men can eventually work up the nerve to use it if nothing else has worked.
Not the best option. Pd5 inihibitors, cailis, viagra, and Levitra (vardenafil) are the best options. I do not believe a licensed doc in this country would not try these first!