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 |
30 x 20mg
$899.99
+ shipping
 |
30 x 20mg
$787.99
+ shipping
|
30 x 100mg
$897.99
+ 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 |
