Vidalista is a brand of medication used to treat erectile dysfunction (ED) in men. It contains the active ingredient Tadalafil, which is a phosphodiesterase type 5 (PDE5) inhibitor. Tadalafil works by increasing blood flow to the penis when a man is sexually aroused, allowing him to achieve and maintain an erection. Vidalista is primarily prescribed to men who have difficulty getting or maintaining an erection sufficient for sexual activity. Like other ED medications, it is not a cure for ED but can help improve erectile function when used as directed.