Cialis was submitted for approval in the US in the year 2001. The approval for Generic Cialis was finally obtained in 2003 in the US and was granted by the US Food and Drug Administration. The official approval for Generic Cialis made this the third drug in USA claiming to cure ED to achieve this status.

Approval for Generic Cialis was based on a series of tests involving more than four thousand men suffering from this condition. Because of the long lasting effects of this drug, Cialis has proved to be a tough competitor to the already available drugs such as Viagra.

Along with the official approval, social approval for Generic Cialis has also increased the competition. Today, all around the world, Cialis is taken as a substitute for Viagra and some also prefer Cialis to other similar drugs. This is mostly due to the longer effects. Approval for Generic Cialis has only increased this competition.