Viagra is truly a wonder drug to treat Erectile Dysfunction. It was introduced in 1998 and since then it has been the most popular and widely sold male impotence pill in the world. Viagra, which was launched by leading global pharmaceutical company Pfizer, is approved by FDA. It has remained the best selling impotence pill from decades despite of tough competition from some newly launched powerful impotence pills. It is a tested drug and is completely safe for oral consumption. Millions of men around the world have successfully treated their sexual problems by using Viagra. Slidenafile is the main active ingredient which treats erectile dysfunction.

Viagra is the most effective and widely used cure for the most erectile dysfunction. Viagra corrects erectile dysfunction by relaxing the muscles of penis resulting in an increase in blood flow inside the penis. Sexual problems reduce the sexual performance of men but impotence pills like Viagra increases stamina and improves the sex drive thereby enhancing the sexual performance. It is to be used only for oral consumption. It should be ideally consumed about half an hour before having any sexual activity. Its effectiveness last for 4-5 hours. Viagra can be taken anytime and there is no concept of missed dose. Cialis, which is a more powerful and lasting impotence pill has been launched to compete against Viagra. Cialis remains effective for 36 hours and makes men sex ready in less than 30 minutes.