Zhewitra 40 Mg is an oral medication used to treat ED in men. Its active ingredient is Vardenafil, which belongs to a class of drugs known as PDE5 inhibitors. Vardenafil helps increase blood flow to the penis, enabling an erection in response to sexual stimulation. Unlike Sildenafil (Viagra) or Tadalafil (Cialis), Vardenafil is known for its specific pharmacological profile, offering distinct advantages for certain users.