Men who suspect they have erectile dysfunction (ED) or impotence should talk to their doctor immediately. To diagnose impotence, your doctor will typically ask a series of questions and take stock of your medical history. A physical exam, in which your doctor examinations your penis and testicles and tests for nerve sensation, is commonplace in order to diagnose erectile dysfunction, and before treatment can be recommended. Further testing may be necessary if you suffer from a chronic health condition (i.e., diabetes) or your doctor suspects an underlying condition may be present, including: Psychological assessment – Anxiety and/or depression are common mental and emotional causes of erectile dysfunction. Urinalysis – A urine test can help pinpoint underlying health factors, like diabetes. Blood sample – A blood test may be conducted to check the patient for the presence of low testosterone, cardiovascular disease, or diabetes. Simulated erection test – This test stimulates blood flow to cause an erection by injecting drugs into the penis. Ultrasound – Image testing can is conducted with a transducer to check for issues with blood vessels and blood supply to the penis. Depending on the above mentioned tests, your doctor can determine the cause of your impotence and if an underlying health issue is the cause, and offer these common treatment options: