Tadagra 20 mg (Tadalafil) is an oral medication that is the treatment of erectile dysfunction. it is very helpful to maintain erection at the time of physical intercourse. Erectile dysfunction is a physical disorder in makes that incompetent them to erect their penis at the time of physical intercourse. It is most effective and potent drugs for men’s disorder of erection. It acts against the PDE-5 inhibitor that is responsible for the flow of blood to the male reproductive system.