Phentolamine mesylate in postmenopausal women with female sexual arousal disorder: a psychophysiological study.

The objective of this study was to assess the potential of phentolamine as a treatment of postmenopausal women with female arousal disorder (FSAD). Vaginal photoplethismography and a subjective questionnaire were used. Forty one women were enrolled and four treatments were tested: vaginal solutions 5 mg and 40 mg and an oral tablet each of 40 mg of phentolamine and placebo.