Introduction to Cialis Treating erectile dysfunction or impotence is no more a problem when you have PDE-5 inhibitors. These are the special type of drugs that are specially launched to treat and fight back erectile dysfunction. Cialis is a common and a popular name among the family. This ED pill is a well-known name among the people who are dealing hard with impotence. Cialis is an oral drug to be taken orally and is available on a doctor’s prescription. The ED pill is available in the market as the brand version of the generic Tadalafil. Cialis has gained more popularity for its long half-life. The effectiveness of the pill lasts for approximately 36 hours. This is the reason that the Cialis is crowned with the title of ‘weekend pill’. So if you are one who is struggling with impotence? Cialis is the answer and will be a smart pick. If you don’t want to go and purchase the pill from the market, it is fine. You can buy it online. Now just with a fe...