Definition of Erectile Dysfunction

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Erectile Dysfunction


Erectile dysfunction (impotence) / Erectile Dysfunction (ED) is the inability to achieve or maintain an erection adequate for penetration.

The reason could be due to interference, which reduces blood flow or nerve damage to the penis, hormonal disorders, the use of certain drugs, or psychological problems.

In most men, sex drive (libido) is also decreased.

A physical examination (including measurement of blood pressure), blood tests, test erections during sleep, and sometimes ultrasonography may trigger erectile dysfunction disorder.

The drugs, given by mouth or injected into the penis, can help, as well as tools and vacuum and psychological therapy.

Every man is occasionally unable to achieve an erection, is normal. Erectile dysfunction occurs when the problem is frequent or persistent.

Erectile dysfunction can be mild to severe. A man with mild erectile dysfunction can sometimes achieve a full erection, but more often do not achieve an erection sufficient for penetration or no erection at all. A man with severe erectile dysfunction rarely able to achieve an erection. Erectile dysfunction becomes more common with age but is not part of the normal aging process. About half of men aged 65 years and three quarters of 80-year-old male erectile dysfunction.


To achieve an erection, the penis needs an adequate inflow of blood circulation, a slowing of blood outflow and proper function of nerves leading to and from the penis.

Disorders that narrow arteries and decrease blood income (such as atherosclerosis, diabetes, high blood pressure, and high blood cholesterol levels) or surgery that affects the blood vessels can cause erectile dysfunction. Also, abnormalities in the vessels of the penis can sometimes drain blood back into the body quickly so that erection can not be sustained despite adequate blood flow.

Nerve damage to or from the penis can result in erectile dysfunction. Such damage can result from pelvic or abdominal surgery (particularly prostate surgery), radiation therapy, spinal disease, diabetes, multiple sclerosis, or nerves surrounding the disorder.

Other risk factors include stroke, smoking, alcohol, and drugs. Drugs that commonly cause erectile dysfunction (particularly in older men), including antihypertensive, anti-depressant. Some sedatives, cimetidine, some diuretics, antipsychotics, and illicit drugs. Sometimes, hormonal disorders (such as low levels of testosterone) causes erectile dysfunction. Likewise, factors that reduce the energy level of a man (such as pain, fatigue, and stress) can make it difficult to achieve an erection. <

Psychological problems that can cause sexual dysfunction may affect the ability to achieve erection. This psychological causes are more common in younger men. Any new stress situations, such as change sex partners or problems with relationships or at work, also could contribute.


Sex drive (libido) is often decreased in men with erectile dysfunction, although some men maintain normal libido. Regardless of changes in libido, men with erectile dysfunction have difficulty engaging in sex which caused the erect penis is not hard enough, long, or to penetrate or because erection can not be formed. Some men stop having erections during sleep or wake. Others can achieve stronger erections sometimes but can not achieve or maintain an erection at a later time.

At low levels of testosterone, consequently more likely to drop in libido than erectile dysfunction. In addition, low testosterone levels can cause bone loss, power loss, and loss of muscle density.


To diagnose the cause of erectile dysfunction, ask your doctor about diseases and conditions that may contribute to erectile dysfunction and drugs used. A general physical examination, including examination of the genital organs and the prostate, is performed. Doctors can measure the function of nerves that supply the genitals. Measuring blood pressure in the legs and the pulses in the feet and hands can reveal problems in the arteries.

Blood samples can be taken to measure testosterone levels. Some blood tests can help identify diseases that may cause temporary or permanent erectile dysfunction, such as diabetes or infection.

If the problem with the arteries or veins is suspected, special tests can be performed. For example, a tool can be used at home to measure erections during sleep (at the time of normal). If there is an erection during sleep, the cause may be psychological, otherwise if no erections during sleep, the cause may be physical. Ultrasonography can also be used to measure blood flow to the penis.


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