Viagra is the original pill used to treat erectile dysfunction { impotence } in men. It can help many men who have erectile dysfunction get and keep an erection when they become sexually excited { stimulated }.

You will not get an erection just by taking this medicine.Viagra helps a man with erectile dysfunction get an erection only when he is sexually excited.

In many men with erectile dysfunction,Viagra helps the body's natural erection process. When a man is sexually excited, the penis will fill with enough blood to cause an erection. After sex is over, the erection goes away.

Viagra must never be used by men who are taking any medicines that contain Nitrates. Nitrates are found in many prescription medicines that are used to treat angina { chest pain due to heart disease }.

Viagra does not cure erectile dysfunction. It is a treatment for erectile dysfunction.Viagra does not protect you or your partner from getting sexually transmitted diseases, including HIV - the virus that causes AIDS.Viagra is not a hormone or an aphrodisiac.