Compare Cialis, Levitra and Viagra

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The table below provides relevant information in easy to compare format.  Always seek your doctor's advice and consider your lifestyle when selecting.

Facts and Features
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
Prices compared from SelfServeRx	28 x 20mg $599.99 + shipping	28 x 20mg $558.99 + shipping	28 x 100mg $541.99 + shipping
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, Angina, Hypertension, Hypotension	Any Nitrate-Based Medicine	Any Nitrate-Based Medicine
Effectiveness diminished with fatty foods	No	No	Yes