In todays market 3 FDI approved drugs are available for treatment of ED. Cialis, Levitra and Viagra. Although all the drugs work in the same manner of allowing more blood flow in the penis by relaxing the muscles of the penis. Hence, helping in erection. It is the effectiveness of the medicines in relation to the time they stay effective that separates them.

While Viagras effect is known to stay for 4 hours and Levitra for 5 hours, it Cialis where the effect of the medication stay on for up to 36 hours and hence the name Weekend Drug, and this is the wow factor.

Cialis is today available in over 80 countries and the internet has made it reach further. Today the internet offers privacy as well as cheaper prices. Most of the websites offering to sell Cialis do so at a cheaper rate, and have free consultation. To buy Cialis today one does not have to go to the chemist but can do so by a click of the button on ones computer.

Today 50million people in the US suffer from Erectile Dysfunction. The same proportion could be taken in the world scenario and we can imagine how many people suffer from ED. To take an approximate a total of 30% of males in the world, and 50% of males over the age of 40 suffer from Erectile Dysfunction.

Cialis today has formed a market for itself and most of the patients suffering from ED are either starting off with Cialis or people who have tried the medication like Viagra and Levitra are switching over to Cialis, and the main reason cited is the ability of the medicine to stay for up to 36 hours. Another reason cited for the popularization of Cialis is that the medicine does not have to taken in a particular way, like the other medicines. Cialis can be taken either empty stomach or even after having a high food diet, which was not possible with Viagra or Levitra.

These factory help one become more comfortable with taking the medicine and with its availability on the net procuring Cialis has become much easier.