Fast facts on erectile dysfunction

Here are some key points about erectile dysfunction. More detail and supporting information is in the body of this article.
Erectile dysfunction is a persistent problem getting an erection sufficient to have sex.
Causes are usually medical but can also be psychological.
Organic causes are usually the result of an underlying medical condition affecting the blood vessels or nerves supplying the penis.
Numerous prescription drugs, recreational drugs, alcohol and smoking can all be causes, too.
Diagnosis with the help of a doctor will differentiate the likely cause by including a number of questions, blood tests for conditions such as diabetes and heart disease, and physical examination.
First-line treatment of erectile dysfunction is with drugs called PDE-5 inhibitors, including the well-known pill sildenafil (Viagra).
Mechanical devices are also available to help achieve an erection, and occasional cases that do not respond to medical treatment may be candidates for surgery, to fit a penile implant.