Zhewitra 40mg is a medication used to treat erectile dysfunction and impotence. The active ingredient in this medication is Vardenafil. This medication allows men to have an erection for an extended period of time. This medication is administered in a variety of dosages. This medication is taken 30 minutes before sexual intercourse. Before taking Zhewitra 40, you should visit a doctor. This medication makes sex more pleasant. This medication is now available from an online pharmacy.