Vidalista 20mg is a medication used to treat erectile dysfunction (ED) in men. It contains Tadalafil as its active ingredient, which is a type of phosphodiesterase type 5 (PDE5) inhibitor. Tadalafil works by increasing blood flow to the penis, allowing a man to achieve and maintain an erection when sexually stimulated. Tadalafil, the active ingredient, helps relax the blood vessels in the penis, increasing blood flow. This makes it easier to achieve and maintain an erection.