Erectile Dysfunction ED Drugs Comparison

September 27th, 2007

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

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2 Responses to “Erectile Dysfunction ED Drugs Comparison”

  1. AlexTM Says:
    October 11th, 2007 at 5:22 pm

    Thanks! I think Cialis is better for me.

  2. tadalafil Says:
    January 10th, 2008 at 8:54 pm

    tadalafil is the best