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Erectile Dysfunction
Erectile dysfunction (ED), is a repeated inability to achieve erection, an inconsistent
ability to get or keep an erection, or a tendency to sustain only brief erections. Usually it
refers to the inability to obtain an adequate erection for satisfactory sexual activity.
Erectile dysfunction affects the lives of 15 million to 30 million American men. More than
50% of men between the ages of 40 and 70 could experience ED.
In older men, ED usually has a physical cause, such as disease, injury, or side effects of
drugs. Any disorder that causes injury to the nerves or impairs blood flow in the penis
has the potential to cause ED. Incidence of ED increases with age.
Erectile dysfunction (ED), is a repeated inability to achieve erection, an inconsistent
ability to get or keep an erection, or a tendency to sustain only brief erections. Usually it
refers to the inability to obtain an adequate erection for satisfactory sexual activity.
Erectile dysfunction affects the lives of 15 million to 30 million American men. More than
50% of men between the ages of 40 and 70 could experience ED.
In older men, ED usually has a physical cause, such as disease, injury, or side effects of
drugs. Any disorder that causes injury to the nerves or impairs blood flow in the penis
has the potential to cause ED. Incidence of ED increases with age.
Learn More about Erectile Dysfunction and ED Drugs:
Erectile Dysfunction (National Kidney and Urologic Diseases
Information Clearinghouse)
Erectile Dysfunction (MedlinePlus).
Erectile Dysfunction (Mayo Clinic)
Erectile Dysfunction (American Academy of Family Physicians)
Top Selling Generic Drugs: Erectile Dysfunction Drugs
Erectile Dysfunction (National Kidney and Urologic Diseases
Information Clearinghouse)
Erectile Dysfunction (MedlinePlus).
Erectile Dysfunction (Mayo Clinic)
Erectile Dysfunction (American Academy of Family Physicians)
Top Selling Generic Drugs: Erectile Dysfunction Drugs
| A wide variety of medications with different pharmacological mechanisms of action are available for treatment of erectile dysfunction. Drugs for treating ED can be taken orally, injected into the penis, or inserted into the urethra. In March 1998, the FDA approved Viagra, the first pill to treat ED. The oral PDE-5 inhibitors like Viagra, Cialis and Levitra work by enhancing the effects of nitric oxide, which relaxes smooth muscles in the penis and blood vessels during sexual stimulation. This causes an increase of the blood flow into the penis, which produces an erection. Oral testosterone can be effective in some men with low levels of natural testosterone, but may cause liver damage. Other oral drugs - yohimbine, apomorphine, dopamine and serotonin agonists, and trazodone are effective, but the results of scientific studies have been inconsistent. |
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