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Home > Features > Comparing Cialis, Levitra and Viagra

There are three drugs competing for your dollars that address issues of male sexual performance enhancement. Below is a chart comparing the three drugs. Follow these links for price comparisions of online pharmacies:

Brand name: Viagra, Levitra, Cialis

Generic: Viagra, Levitra, Cialis

PRODUCT COMPARISON Cialis Levitra Viagra
Manufacturer Lilly Icos Bayer Pfizer
Date Released February 2003 April 2003 March 1998
How long does it work? up to 36 hours up to 6 hours up to 5 hours
Takes how long before action? 30 minutes continuing to 12 hours 25 to 45 minutes 60 minutes
Most common side effects: Headache, Myalgia dypepsia/upset stomach, back pain Headache, facial flushing Headache, facial flushing, altered or bluish vision
Contraindications Any Nitrate-Based Medicine including Poppers, Angina, Hypertension, Hypotension Any Nitrate-Based Medicine including Poppers Any Nitrate-Based Medicine including Poppers
Effectiveness diminished with fatty foods No No Yes
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