Viagra Vs. Cialis: What Are The Main Differences?
Viagra and Cialis are medications used for treat ment of erectile dysfunction. Both boost a chemical within a man’s body called nitric oxide to encourage the muscles within the penis to relax. By allowing the muscles to relax, blood can flow freely. This allows for an erection to occur when aroused.
While both, Viagra and Cialis, treat erectile dysfunction, they are not the same drug. There are differences between the two medications.
Time in Bloodstream
Viagra will remain in the bloodstream between 4 to 6 hours after taking the medication. Cialis will remain in the bloodstream for 17 to 18 hours after taking the medication.
The length of time that the medication remains in the bloodstream is important if you are currently taking other medications. To avoid interactions, the medication that is in your system the least amount of time may be the better choice.
Name
Commonly known as their brand name, Viagra and Cialis, there is a difference in the generic names. Viagra is sildenafil and Cialis is tadalafil. Both are closely related, but still two very distinct medications.
Strength
Viagra comes in 25mg, 50mg and 100mg tabs. Cialis is available in 2.5mg, 5mg, and 20mg tabs.
Effectiveness
Viagra is effective for 4 to 5 hours whereas Cialis is effective up to 8 hours. Eating may decrease the effectiveness of Viagra; food seems to have no effect on Cialis.
Viagra generally takes effect about 30 minutes after taking the tab. Cialis can take effect 16 minutes to 45 minutes after taking the tab.
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Cost
The cost of a Viagra tab varies depending on strength, approximately $24 per tablet for 50mg tab and $35 per tablet for 100mg tab. The cost for Cialis also varies depending on strength, approximately $8.50 per tablet for 5mg tab and $28 per tablet for 20mg tab.
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