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Compare Viagra vs Levitra vs Cialis:
| VIAGRA |
LEVITRA |
CIALIS |
 Order Viagra |
 Order Levitra |
 Order Cialis |
 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 |
Useful Info:
Viagra Cialis Levitra Articles:
Cialis vs Viagra - Which Side Are You?
Ten years after Viagra’s release, Cialis came out in 2003 to compete with Viagra, the then sole erectile dysfunction medicine in the market. With a few track records under its belt, how could Cialis fare vs. Viagra?
Cialis in Comparison with Levitra and Viagra
Sexual Dysfunction that is one topic most men are uncomfortable with and wouldn't care to admit. Erection problems are one of the most common dysfunction that plagues most men young or old alike. It can be temporary condition or an ongoing one. Read more...