VIAGRA.
Viagra is one of the best known medications for erectile dysfunction. You need to be sexually stimulated for viagra to be effective. Viagra works within an hour and usually lasts for three to four hours.
Transurethral therapy (Muse). A small pellet of a medication is put directly into the urethra. The urethra is the tube that runs through the penis and carries urine from the bladder and out through the tips of the penis. The drug is absorbed into the erectile tissue of the penis. It gives an erection within five to ten minutes.