Vidalista 80 mg is a medication used to treat erectile dysfunction (ED), which contains the active ingredient Tadalafil. It belongs to a class of drugs known as phosphodiesterase type 5 (PDE5) inhibitors. Vidalista 80 mg works by relaxing the muscles in blood vessel walls, increasing blood flow to certain areas of the body, particularly the penis during sexual stimulation, thereby helping men achieve and maintain an erection.