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 is why it is called the weekend pill. You can start taking this medicine at the beginning of the month and forget about erectile dysfunction. This medicine will help you take care of it.