This handy cheat sheet compares and contrasts the top ED medications: Viagra VS Cialis VS Levitra. Get the facts before you make your purchase. Inteli-Shopper recommends Generic Cialis and Generic Levitra over Viagra for maximum effectiveness and cost savings.
| Viagra | Cialis | Levitra | |
| Made by | Pfizer | Eli Lilly | GlaxoSmithKline, Bayer & Schering-Plough |
| Chemical Name | Sildenafil Citrate | Tadalafil | Vardenafil |
| Color & Shape - (non Generic versions) | Blue, diamond shaped with words "Pfizer" on one side and letters "VGR" and dose in mg on the other side | Yellow, almond shaped in letter "C" on pill and dosage next to letter "C" | Orange, round with dosage on one side and "Bayer" engraved on other side |
| How Fast Does It Work: | New studies say it takes less than 15 minutes in most men | 15 mins | Studies have shown it can work in as little as 16 minutes |
| Pill Sizes | 25mg 50mg 100mg | 5mg 10mg 20mg | 2.5mg 5mg 10mg 20mg |
| Effective for | 4 hours | 36 hours | 5 hours |
| Dosage per day | 25mg to 100mg | 10mg | 10mg |
| Advantages |
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| Disadvantages |
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| Side Effects | Headache, flushing, dyspepsia, nasal congestion and impaired vision & cyanopsia | Headache, indigestion, back pain, muscle aches, flushing, and stuffy or runny nose | Headache, indigestion, back pain, muscle aches, flushing, and stuffy or runny nose |
| Most Common SIde Effect | Headache is a very common occurring in >10% of patients | Headache is a very common occurring in >10% of patients | Headache is a very common occurring in >10% of patients |
| Approved By FDA: | March 27, 1998 | December 2003 | Aug. 20, 2003 |
| Available as a Generic | Yes | Yes | Yes |
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Sounds Like / Pronounced |
Vigor, or Niagara | Sea-Al-Is | Levitate, or la vita, meaning 'life' |
| Other Misspellings | Vyagra | Ci-al-is, Sealis, Cialas, Cialis, Sialis, Seealis, Cailis, Seealas, Seeallis | Levitate, larvitra, lyvitra |
| Nickname | Vitamin V, The Blue Pill | The 36 Hour Pill, The Weekend Pill | . |