Levitra (vardenafil) just got approved by Health Canada
April 2004
Levitra (vardenafil) just got approved by Health Canada.
It will compete with Cialis and Viagra. They're all phosphodiesterase-5 inhibitors.
Levitra works as long as Viagra...about 4 hours. But not as long as Cialis which is known as "the weekender." Cialis can last up to 36 hours.
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