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Urethral medication - You can place a small pellet into the end of the urethra (the tube which passes urine and opens at the end of the penis). The pellet contains a similar medicine to that used for the injection treatment. The medicine is quickly absorbed into the penis to cause an erection, usually within 10-15 minutes. Erectile Dysfunction At A Glance: The causes of erectile dysfunction include aging, high blood pressure, diabetes mellitus, cigarette smoking, atherosclerosis, depression, nerve or spinal cord damage, medication side effects, alcoholism or other substance abuse, and low testosterone levels. get viagra drug online buy viagra online buy viagra online no script buy viagra propecia discount cialis generic order online bad experience buy cialis The search for an erectile dysfunction panacea has been on for years, with other researchers targeting nitric oxide as well. viagra online without prescription buy viagra online How does an erection normally occur? The neurotransmitters which are released in the penis cause another chemical to be made called cyclic guanosine monophosphate (cGMP). An increase of cGMP causes the arteries in the penis to dilate (widen). This allows extra blood to flood into the penis. The rapid inflow of blood causes the penis to swell into an erection. The swollen inner part of the penis also presses on the veins nearer to the skin surface of the penis. These veins normally drain the penis of blood. So, the flow of blood out of the penis is also restricted, which enhances the erection. How Are Male Sexual Problems Diagnosed? To diagnose a man's sexual problem, the doctor likely will begin with a thorough history of symptoms and a physical exam. He or she may order other tests to rule out any medical problems that may be contributing to the dysfunction. The doctor may refer you to other health professionals, including a urologist (a doctor specializing in the urinary tract and male reproductive system), sex therapist, and other counselors. What Causes Male Sexual Problems? Physical causes: Many physical and/or medical conditions can cause problems with sexual function. These conditions include diabetes, heart and vascular (blood vessel) disease, neurological disorders, hormonal imbalances, chronic diseases such as kidney or liver failure, and alcoholism and drug abuse. In addition, the side effects of certain medications, including some antidepressant drugs, can affect sexual desire and function. cialis online free trial buy cialis Erectile dysfunction is characterized by the regular or repeated inability to obtain or maintain an erection. It is analyzed in several ways: Obtaining full erections at some times, such as when asleep (when the mind and psychological issues, if any, are less present), tends to suggest that the physical structures are functionally working.