Vidalista 20 mg is a drug that is highly effective in treating erectile dysfunction. Vidalista is manufactured in multiple strengths and forms by Centurion Laboratories Pvt Ltd. Tadalafil is the chemical component(generic name) present in Vidalista.Vidalista20mg contains Tadalafil which makes it a PDE5 inhibitor drug. Vidalista 20 is a commonly prescribed ED pill by doctors for the treatment of erectile dysfunction(impotence) in men. The penis contains phosphodiesterase type 5(PDE5) enzymes responsible for the erection of the penis. As Vidalista 20 is a phosphodiesterase5 (PDE5) inhibitor drug, it directly regulates the enzyme providing your penis with a firm erection.