Intracorporal injection of papaverine and phentolamine in the management of impotence.

Intracorporal injection of 0.5 ml papaverine (30 mg/ml) and phentolamine (2.5 mg/ml) was given to 144 patients presenting with various types of impotence. The high response rate (97%) precluded the use of this test to differentiate between types of impotence but provided patients with the choice of embarking on a self-injection programme. Of the 101 patients entering the programme 78 are continuing self-injection therapy with a mean follow-up of 6.5 months. The incidence of complications is low and patients are generally very satisfied with the treatment.