What is Vidalista 40?  Vidalista is also known as Tadalafil 40mg. This drug is often prescribed to men who want to correct their erectile dysfunction.  Vidalista 40 works by increasing blood flow to a man's penis allowing him to get an erection.  This drug comes with stamina and allows a man to stay in bed longer. This drug stays in the patient's body for about 36 hours and that...