About Viagra

Drug VIAGRA(Sildenafil citrate) drug for male impotence, also known as erectile dysfunction (ED). It works by dilating blood vessels in the penis, allowing the inflow of blood needed for an erection.

Find out if drug VIAGRA is right for you. Speak to your doctor. He can tell you if you have erectile dysfunction and can recommend an effective treatment like drug VIAGRA.

For men with erectile dysfunction, a harder erection can lead to a more satisfying sexual experience. And when it comes to hardness, drug VIAGRA delivers.

The development of drug VIAGRA is the third greatest achievement in medicine, random, after X-rays and penicillin. The researchers who discovered the properties of sildenafil were awarded the Nobel Prize in 1998.

The drug VIAGRA was patented in 1996, for use in erectile dysfunction approved by the US Food and Drug Administration on March 27, 1998, the first oral treatment approved to treat erectile dysfunction in the United States, offered for sale in the United States later that year.

Efficacy and tolerability of drug VIAGRA confirmed more than 130 completed and ongoing clinical trials. Drug VIAGRA is licensed in over 120 countries and is one of the most popular prescription drugs. In the world of written down more than 130 million prescriptions for drug VIAGRA, which is used for more than 20 million men.