Is Viagra Safe to Take? Topic Guide

The male erection is a complex process involving multiple body systems. As such, there are myriad causes for erectile dysfunction. Some causes are psychological issues problems with the nervous system; problems with the vascular system like high blood pressure; low testosterone levels; medical conditions like diabetes or prostate cancer; and side effects of medications.

Male sexual problems are often difficult to diagnose because many are reluctant to discuss them. Testing involves physical examination and lab testing to determine whether erectile dysfunction is caused by physical or psychological problems.

Erectile dysfunction (ED) or male impotence is defined as the inability of a man to achieve and maintain an erection sufficient for mutually satisfactory intercourse with his partner. ED treatment may involve medications, lifestyle changes, vacuum devices, or surgery.

Erectile dysfunction (or ED), also called male impotence, describes a man's inability to achieve and maintain an erection of his penis sufficient for mutually satisfactory sexual intercourse with his partner. Erectile dysfunction is treatable with a variety of methods, including medications, devices and therapy. ED may be a symptom of other disorders and diseases such as high blood pressure or heart disease.

Erectile dysfunction (ED) is also referred to as impotence. Erectile dysfunction is the consistent inability to attain or maintain an erection. Medications to treat erectile dysfunction include: PDE5 inhibitors (sildenafil [Viagra], vardenafil [Levitra], tadalafil [Cialis]); androgens (Depo-Testosterone, Delatest, Andro-L.A., AndroGel, Testim, Androderm, Testoderm); and prostaglandins alprostadil (Caverject, Edex, Muse Pellet). Side effects, drug interactions, warnings and precautions, and patient information should be reviewed prior to taking any medication.

Erectile dysfunction (ED, or impotence) describes a condition in which men cannot acquire or maintain an erection. Physical causes include cardiovascular problems, some hormonal issues and some medications. Psychological causes are a major factor in many cases of ED.