血管活性药物如罂粟硷、前列腺素E,及芬妥拉明联合海绵体内注射在阳萎的诊断及治疗中已被广泛应用,但是66％的病人有暂时性局限性阴茎疼痛及/或不适,致使许多病人停止应用.有人认为这种疼是与药物的酸度在pH3.63～4.54之间有关.为了决定究竟硷化这种酸度至中性pH是否有 Injectable vasoactive drugs such as papaverine, prostaglandin E, and affllamin have been widely used in the diagnosis and treatment of impotence but 66% of patients have transient localized penile pain and / or discomfort, Causing many patients to discontinue the use of some people think that the pain is with the acidity of the drug in the pH3.63 ~ 4.54 in order to determine whether the alkalization of this acidity to neutral pH is there