Erectile dysfunction (ED) is also termed as impotence is sexual dysfunction it was characterized by the incapability of developing or maintaining an erection of the penis during sexual activity. A penile erection is the hydraulic effect in which blood entering and being retained in sponge-like bodies inside the penis. This procedure is most regularly initiate as a result of sexual arousal, while signals are transmits from brain to nerves in the penis.

Erectile dysfunction


Erectile dysfunction is characterized by the repeated or regular incapability to obtain or maintain an erection. It is analyzed in many ways:

  • Obtains complete erections at some times, such as nocturnal penile tumescence when asleep, tends to advise that the physical structures are functionally working.

  • Other factors may leads to erectile dysfunction are diabetes mellitus.


Erectile dysfunction will have a range of causes, which are based on both physical and psychological. Physical causes may includes:

  • Narrowing the blood vessels that will go to the penis – usually related with high blood pressure (hypertension), high cholesterol or diabetes.

  • Hormonal problems.

  • Surgery or injury.

Psychological causes of ED may includes: anxiety, depression, relationship problems


There are no proper tests to diagnose erectile dysfunction. Some blood tests are generally performed to rule out underlying disease, such as hypogonadism and prolactinoma. Impotence are also related to usually poor physical health, poor dietary habits, obesity, and most exclusively cardiovascular disease such as coronary artery disease and peripheral vascular disease. Therefore, a thorough physical examination is useful, in particular the simple search for a earlier undetected groin hernia as it can affect sexual functions in men and is easily treatable.

Number of treatments that has been successful to treat erectile dysfunction. Medication like sildenafil (sold as Viagra), are used to control at least 2/3rd of cases. Vacuum pumps that support blood to flow to the penis and may cause a penis erection are also success in 90% of cases.