Vitara-V 40 is a generic equivalent of Levitra. It contains, Vardenafil, the same active constituent as that present in Levitra. It is an oral therapy for erectile dysfunction treatment. Vitara-V 40 is available in the form of round-shaped, orange-colored oral tablets. It helps men to obtain and maintain a firm and strong penile erection by increasing blood supply to the penile organ. Vardenafil is approved by the FDA in 2003 for treatment of erectile dysfunction. Vardenafil resembles Sildenafil citrate in structure. It belongs to a pharmacological class of PDE inhibitors. It has a molecular formula of C23H32N6O4S and a molecular weight of 489 g/mol. Along with erectile dysfunction, this medication can be useful for the treatment of premature ejaculation, in which it can considerably increase the period between penetration and ejaculation.