This makes prostaglandin E 1 awkward to use, especially if the patient must travel. Improved formulations such as a lyophilised powder and a transurethral gel formulation of prostaglandin E 1 as well as an effective oral medication have been developed and should become available in the near future. Entrepreneurial clinics Many of these clinics initiate intracavernosal therapy using multi-drug cocktails without establishing a diagnosis or appropriate counselling of the patient or his partner. As a result, while sometimes initially gratifying, such management has poor continuation rates reflecting patient dissatisfaction. Priapism is the most common adverse effect of intracavernosal injection of prostaglandin E 1 . 10.
Most men complaining of impotence are androgen deficient.