Viagra, Cialis, Levitra Comparison
Comparison of the most popular ED drugs: Viagra vs Cialis vs Levitra. Compare and choose for yourself.
| Drug Name |
Viagra (Sildenafil) |
Levitra (Vardenafil) |
Cialis (Tadalafil) |
| Usual dose |
50 milligrams (mg) a day |
10 mg a day |
10 mg a day |
| Maximum doses |
100 mg a day |
20 mg a day |
20 mg a day |
| Available as |
20 mg, 25 mg, 50 mg and 100 mg tablets |
2.5 mg, 5 mg, 10 mg and 20 mg tablets |
5 mg, 10 mg and 20 mg tablets |
| How to take |
Without food |
Without food |
With or without food |
| When to take |
30 to 60 minutes before sexual activity |
30 to 60 minutes before sexual activity |
30 minutes before sexual activity |
| Duration of effects |
Up to four hours |
Up to four hours |
24 to 36 hours |
| How often to use |
Up to once a day |
Up to once a day |
Up to once a day |
| Side effects |
Headache, flushing, indigestion, stuffy or runny nose, upset stomach, diarrhea |
Headache, flushing, indigestion, stuffy or runny nose, upset stomach, dizziness |
Headache, indigestion, back pain, muscle aches, flushing, stuffy or runny nose |
| Warnings |
Do not take with nitrates (Nitro-Dur, others), or if you have certain heart valve problems. Should be used with caution or not used at all with alpha blockers. Should not be used with some antibiotic, antiviral or antifungal medications. |
Do not take with nitrates (Nitro-Dur, others) or alpha blockers (Hytrin, Cardura, others), or if you have certain heart valve problems. Should be used with caution or not used at all with alpha blockers. Should not be used with some antibiotic, antiviral or antifungal medications. |
Do not take with nitrates (Nitro-Dur, others) or alpha blockers (Hytrin, Cardura, others), or if you have certain heart valve problems. Should be used with caution or not used at all with alpha blockers. Should not be used with some antibiotic, antiviral or antifungal medications. |
| Shelf life |
2 years |
3 years |
1 year |
| Alcohol interaction |
Not recomended |
Not recomended |
Not recomended |
| Special conditions |
Sexual stimulation |
Sexual stimulation |
Sexual stimulation |
Source: ED Drugs Comparison
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I was searching for ‘viagra cialis levitra’ at google and got this your post (’Cialis, Levitra Comparison’) in search results. Not very relevant result, but still interesting to read