Although Cialis and Viagra both make it easier to get and maintain an erection, there are a few key differences between these two ED medications that may make one a better choice than the other ...

Viagra, Cialis, Levitra, and Stendra can help a person get and maintain an erection. Learn about the similarities and differences between these medications.

For its part, Cialis has several such advantages. First, says Seftel, it can be taken on a full stomach, something that is not true of Viagra or Levitra, which is sold by GlaxoSmithKline and Bayer .

A one-a-day impotence pill which allows men to have sex whenever they want is available on the NHS. The makers of Cialis say it is superior to Viagra because it lasts longer.

Pfizer (PFE) is losing the Viagra war to Eli Lilly (LLY)'s Cialis in a classic example of how being first-to-launch isn't always the best idea.Viagra sales slipped 9 percent to $499 million in Q4 ...

For example, Cialis has a longer 24-hour window of effectiveness than Viagra, but to see the results, you need to take it daily. You only need to take Viagra as needed, but it’s only effective ...

Although Cialis and Viagra both make it easier to get and maintain an erection, there are a few key differences between these two ED medications that may make one a better choice than the other ...