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The real buzz surrounds Cialis, which lasts nine times longer than Viagra - Matthew Herper

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Which Drug for Erectile Dysfunction Is Better: Viagra or Cialis?

The discovery of Viagra is one of the classic stories of serendipity in drug development. In the 1980s, the pharmaceutical company Pfizer began studying sildenafil, the generic name for Viagra, as a treatment for heart disease. It didn’t work, but the men in the study developed unusually strong, long-lasting erections. The rest is history.

All four of the currently approved drugs seem to be equally good at producing erections. But it is difficult to be more definitive in evaluating their efficacy, because few studies directly comparing them have been conducted, a common problem with many drugs.

Since all four drugs are similarly effective, the answer to which drug is best…

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Last Updated : Saturday, December 11, 2021