Hi there Now, sildenafil & vardenafil are two different drugs for erectile dysfunction. Sildenafil is popularly known as Viagra, yet they market it as the same as Levitra. Pa!!! ____________________________ ![Smile](https://2img.net/i/fa/i/smiles/icon_smile.gif)
![Smile](https://2img.net/i/fa/i/smiles/icon_smile.gif)