Vardenafil is used to treat male sexual function problems (impotence or erectile dysfunction-ED). In combination with sexual stimulation, vardenafil works by. Int J Urol. Aug;13(8) Vardenafil mg demonstrated superior efficacy to mg in Japanese men with diabetes mellitus suffering from erectile. Levitra 5 mg film-coated tablets. Orange round tablets marked with the BAYER- cross on one side and “5” on the other side. Levitra 10 mg film-coated tablets.