Following is a comprehensive comparison chart that provides important and relevant information for the three FDA-approved Erectile Dysfunction drugs: Viagra, Cialis and Levitra. This chart can help potential patients understand the differences between these drugs. Consumers can also click on the chart's links to access complete patient information for Viagra, Cialis and Levitra. Accessrx.com provides this information so our website visitors and clients can be well-informed with regard to the three prescription drugs that treat Erectile Dysfunction. Thank you for visiting our website.
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Viagra |
Cialis |
Cialis Daily |
Levitra |
Staxyn |
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Manufacturer |
Pfizer |
Eli Lilly |
Bayer |
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Phone Number |
800.879.3477 |
800.545.5979 |
412.777.2000 |
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Website |
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Approved by FDA |
Mar 1998 |
Nov 2003 |
Jan 2008 |
Aug 2003 |
Jun 2010 |
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Patent Expiration |
Apr 2020 |
Nov 2017 |
2018 |
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Active Ingredient |
Sildenafil Citrate |
Tadalafil |
Vardenafil HCI |
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Mg Strength |
25, 50, 100 |
10, 20 |
2.5, 5 |
10, 20 |
10 |
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Medical Information |
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Duration of Effectiveness |
Up to 4 hours |
Up to 36 hours |
Always active when taken daily as prescribed |
Up to 5 hours |
Up to 4 hours |
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Take how long before sex |
30-60 minutes |
30 mins to 12 hours |
May need several days to reach full strength |
30-60 mins |
20-45 mins |
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Possible Side Effects |
Headaches, Facial flushing, Upset Stomach, Runny Nose, Indigestion Less Common: Priapism (an erection lasting longer than 4 hours), Changes in vision (a bluish tint), Changes in Hearing |
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Taken |
Not more than once per 24 hours |
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Generics Available |
There are currently no FDA approved generic medications for Erectile Dysfunction "Generic ED Medications are Illegal" |
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Buy it now |
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Helpful Information |
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Identifying Authentic Medication |
A Diamond-Shaped Blue pill with pfizer in front and the letters VGR on the back followed by the pills mg strength |
An Almond-Shaped, Yellow pill with a "C" followed by the mg strength on the side |
A Round, Orange pill with the word Bayer vertically and horizontally on one side, with a number for MG strength on the other side |
A Round, White pill with no other colors or markings |
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Taken with Food |
Potency will decrease when taken with large meals, especially those high in fat content. |
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Storage |
Store in a dry area at room temperature (generally 60 to 85 degrees F) |
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Unique Quality |
Powerful one erection pill. Effective for 90% of Men |
Take when convenient, lasts up to 36 hours. Good for multiple erections. |
Taken Daily to effectively be ready anytime of the day |
Quick acting, a bit more responsive than Viagra when taken with food |
No Swallow, Staxyn dissolves under your tongue |
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Buy it now |
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