Erectile dysfunction, also known as impotence, is when a man is unable to attain or maintain an erection that is sufficient for sexual intercourse. The basic mechanics of an erection is when more blood flows into the penis than there is blood flowing out. This causes the penis to grow and become hard. When this function is not happening as it should, it will cause erectile dysfunction.
Erectile dysfunction can be caused by many things. Both physical and psychological factors can play a role and it is important to these. Trauma, diseases, nutrition, medications and medical procedures can cause erectile dysfunction by changing the way the body works and functions. Sometimes there can be more than one factor that plays a role in erectile dysfunction. Drugs can help relieve erectile disfunction but it is also wise to make lifestyle changes. Changing your eating habits, quiting smoking and adding exercise to your daily regime can all help in relieving erectile dysfunction. Speak to your doctor about possible medications that you can take in order to help with the problem.
Viagra, Levitra, and Cialis are drugs that can help relieve erectile dysfunction. They increase nitric oxide, which is a chemical naturally produced by the body, and the nitric oxide relaxes and opens blood vessels in the penis which will help you attain and maintain an erection. The differences between the three are basically how quickly they kick in and how fast they wear off. They may all also have different side effects and you would have to speak to your doctor about it.
Some of the side effects that you could possibly experience are indigestion, flushing, headaches, temporary vision changes, as well as back pain and muscles aches. Most people with erectile dysfunction will feel that these side effects are minimal when compared to what they will gain.
Your doctor will be able to help you find the medication that will work best for you and he/she will be able to take any other medications, that you may be taking, into consideration so that you do not have any bad interactions between your current medication and the erectile dysfunction medication.

