Levitra contains vardenafil, a member of a class of medicines called phosphodiesterase type 5 (PDE5) inhibitors. They are used for the treatment of erectile dysfunction in adult men, a condition which implies difficulties in getting or keeping an erection.
Levitra is known to be as effective as Viagra and to last slightly longer. It also produces less side effects.
Levitra takes around 30 to 60 minutes to start working.