Buy Levitra 5 mg tablets online and get the best deals on levitra pills for sale. Get the best offers on Levitra 5 mg tablets. Levitra is a selective inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5). In combination with sexual stimulation, Levitra helps increase blood flow to the penis so men can get and maintain erections.