It can be examined at different level that comprises psychology and medical reason. If a person is not sexually aroused even when he commits himself, it can be defined as erectile dysfunction. ED is constant inability of generating and maintaining erection hard enough to penetrate. It can occur at any age but ED loves to attack people in there fifties. Everyone faces an occasional stint of ED. As one grows old he can experience the change in erection function. It is natural and nothing to worry about because generic viagra has arrived to …show more content…
These effects are usually mild to moderate and usually don't last longer than a few hours. Some of these side effects are more likely to occur with higher doses. The most common side effects of generic viagra are headache, flushing of the face, and upset stomach. Less common side effects that may occur are temporary changes in color vision (such as trouble telling the difference between blue and green objects or having a blue color tinge to them), eyes being more sensitive to light, or blurred vision. In rare instances, men have complained of an erection that lasts many hours. This problem is called priapism. You should call a doctor immediately if you ever have an erection that lasts more than 4 hours. If not treated right away, permanent damage to your penis could occur. Heart attack, stroke, irregular heartbeats, and death have been reported rarely in men taking generic