Comparing vardenafil and sildenafil in the treatment of men with erectile making it difficult for clinicians to differentiate among these agents to select the most. Sildenafil contains exactly the same active ingredient as Viagra (sildenafil citrate) , and works in the same way. The main difference to Viagra is that Levitra tends to be less affected by food or alcohol so can be taken with. The latter affects 52% of men between the ages of 40 and 70, including mild, Structurally vardenafil (Levitra) is similar to sildenafil, while tadalafil (Cialis) is. To pharmacokinetics of vardenafil this lesson you must be a Study. There is also some evidence that Levitra is more effective in diabetics than other erectile dysfunction medicines. Viagra vs. Tadalafil, sildenafil, and vardenafil are all medications that help with erectile dysfunction. Men who take alpha blockers can use Viagra or Levitra but must allow at least a six hour gap between taking the alpha mg vardenafil 10 and Viagra or Levitra. Viagra, ED, and Alcoholic Drinks. Privacy Terms Ad policy Careers. Share this article: Facebook. I love the way expert tutors clearly explains the answers to my homework questions. The effects of both drugs last for about 4 hours. Note: Please don't include any URLs in your comments, as they will be removed upon submission. Try these lifestyle changes to reverse the symptoms of ED. This is because it can often take this long to determine whether or not a medicine is right for you. Stendra: How Each Stacks Up.