ABSTRACT
Screening questions may help the doctor to decide which avenue to pursue. Low levels of androgen or raised levels of prolactin are reflected early on in a loss of libido, so if the desire for sexual contact or arousal is as strong as ever, these disorders may be put at the bottom of the list. We are familiar with the questions and measurements used to screen for diabetes, the other common endocrine cause of impotence. It also seems useful to ask whether erections are normal during masturbation but difficult to obtain when with a partner, as this would suggest a psychogenic component,
c Calcium antagonists and ACE inhibitors. d • Walk up and down the stairs in order to channel more blood flow to the legs.
