Vidalista 20Mg: The generic name Cialis is an over-the-counter drug for the treatment of impotence (erectile dysfunction). It's a prescription treatment for male impotence. Tadalafil is sometimes also referred to as Cialis, Prozac, or Viagra. This article will explain more about Cialis and ED treatment.   Vidalista is manufactured by Sanofi Aventis and was approved by the United...