Tadalista 20 is a medication that is used to treat erectile dysfunction (ED) in men. It contains the active ingredient tadalafil, which belongs to a class of drugs known as phosphodiesterase type 5 (PDE5) inhibitors. Tadalafil works by relaxing the blood vessels in the penis, allowing for increased blood flow and facilitating an erection. It is important to note that Tadalista 20 will not work without sexual stimulation.