Vidalista 20 mg is a medication primarily prescribed for the treatment of erectile dysfunction, a common condition that affects men worldwide. This medication belongs to a class of medications called PDE5 inhibitors, which work by increasing blood flow to the penis during sexual stimulation, making it easier to achieve and maintain an erection. Vidalista 20 mg contains tadalafil, a PDE5 inhibitor that works by blocking the action of the enzyme phosphodiesterase type 5.