Buy Levitra Online: A medicine for Erectile Dysfunction | Levitra is generally prescribed to treat the function disorder in men called erectile dysfunction or impotence. This medication contains vardenafil as its main component that belongs to a class of medication known as Phosphodiesterase(PDE). Vardenafil works by relaxing and widening the blood vessels of the penile region and improves the blood flow in the penis. This helps a man to get an erection. This medication does not cure sexually transmitted diseases like HIV, Gonorrhea, or Hepatitis B.