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Cialis vs. Viagra WisdomCard

Great links shared by experts about Cialis vs. Viagra

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Research Notes on Cialis vs. Viagra

Both Cialis (tadalafil) and Viagra (sildenafil citrate) are used to treat erectile dysfunction. Cialis begins working in approximately 15 minutes and lasts for up to 36 hours. Viagra takes effect in approximately 30 minutes and lasts for about four hours.1



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Research Notes References

  1. Cleveland Clinic (via WebMD): What Are the Differences Between Cialis, Levitra, and Viagra?

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Last update Jan. 15, 2010

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