Diabetes can take its toll Diabetes, a disease affecting an estimated 13 - 14 million individuals in the USA, is another major cause of impotence. Certain forms of surgery, such as prostate cancer surgery or radiation therapy for pelvic cancers, may also cause impotence. In some cases, problems with thyroid or pituitary function, or plummeting testosterone levels, can be responsible. Your doctor will want to do a thorough medical history and evaluate your current use of medications. He or she will also want to evaluate possible underlying conditions that might be causing your impotence.
Men normally have nocturnal erections each night during sleep.
This is an unconscious process that just happens naturally. Other studies, or referrals to medical sub-specialists, may be necessary, depending on what your physician finds. Treatment options Injections Penile self-injection therapy, involves the injection of one or a combination of medications into the side of the penis into the corpus cavernosum. These injections are safe, when used as directed by your doctor, and can produce satisfactory erections lasting from 30 minutes to one hour. The injections can only be used two times per week, however.