Since ancient times impotence arising from erectile dysfunction has affected men as young as those in their late 40’s onwards. A variety of causes have been identified both organic and inorganic. The most common organic cause is Diabetes Mellitus. Aging also plays a significant factor in age related erectile dysfunction. The pathophysiology of the disease has been found to be a decrease in the diameter of the blood vessels that supply the penile tissue. In normal erection blood is pumped into the erectile tissue of the penis resulting in stiffness sufficient for vaginal penetration. Those who are suffering from erectile dysfunction have little blood that goes to the penile tissue resulting in insufficient stiffness for vaginal penetration.
Based on this pathophysiology, researchers came up with drugs that dilate the penile vasculature increasing the blood flow during stimulation and thus producing erection. A variety of such drugs such as generic viagra and cialis
were developed. Most of these drugs have the same effect but the differences lie in their degree of specificity to the penile vasculature, the side effects they produce as well as the dose and duration of the effect they produce. These drugs are now commonly used and can be purchased through Generic Pharmacy.
