What is Vidalista? Vidalista (Tadalafil) is an erectile-enhancing drug that is taken by mouth to help men who have a hard time getting and keeping an erection during a sexual encounter. As a side effect, it's also said to be able to boost your libido and improve your sex skills. Within 30 minutes after taking the medicine, the effects usually start to show and last for the next 36 hours.There...