Three years after the launch of Viagra, Icos and Eli Lilly get the seal of approval from FDA for Cialis. Generically known as Tadalafil, Cialis became one of the approved drugs for male erectile dysfunction and requires doctor’s prescription. When it comes to sex, most men want to perform and get the most out of themselves but Cialis is not for everyone. The doctor needs to know if you have history and preexisting medical conditions including high blood pressure, heart problems, and lactose intolerant to avoid adverse side effects.
