If you’re diagnosed with ED, your doctor will likely recommend an oral medication, such as sildenafil (Viagra), tadalafil (Cialis), or vardenafil (Levitra). These prescription medications help improve blood flow to the penis and are generally well-tolerated by most men. Tadalista 20 mg is an oral medication for the treatment of erectile dysfunction (ED) in men.  Sildenafil citrate is the active…