This medication is taken by injection.
Papaverine belongs to a group of medicines called vasodilators, which cause blood vessels to expand, thereby increasing blood flow. Papaverine is used in MS to treat erectile dysfunction. When papaverine is injected into the penis, it produces an erection by increasing blood flow to the penis.Papaverine should never be used as a sexual aid by men who are not impotent. If improperly used, this medication can cause permanent damage to the penis.
Papaverine is available by prescription and should be used only as directed by your physician, who will instruct you in the proper way to give yourself an injection so that it is simple and essentially pain-free.