Vidalista 40mg is a medication used to treat erectile dysfunction (ED) in men. It contains Tadalafil, which is a PDE5 inhibitor, the same active ingredient found in Cialis. This medication works by improving blood flow to the penis, helping men achieve and maintain an erection when sexually aroused. Vidalista 40mg is primarily prescribed for men who suffer from erectile dysfunction (ED), a condition in which a man has difficulty achieving or maintaining an erection sufficient for sexual intercourse.