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Vardenafil, famous for its brand name Levitra, is the 2nd member of the pharmacological class of PDE-5 inhibitors. This medication is more potent than Viagra workswork to some extent in the treatment of Erectile Dysfunction. Hence, while taking this medication, there is no need of tag an extra medication for PE. Vardenafil is the active ingredient of the brands of the product Levitra as well as Filitra 20 mg Tablets.