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Cialis vs Viagra vs Levitra
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Cialis
is
a revolutionary new drug used to treat Erectile Dysfunction. Levitra
seems to work for
men
with many different types of erectile dysfunction.
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Cialis works faster in about 15 minutes. It lasts
a lot longer, helping men get erections for 24 hours. Levitra stayed
active and working in the system for an average of 12 hours in patients
65 years or older, and 9 and a half hours in younger participants.
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Cialis works chemically in the same way as
Viagra, but erection is achieved more quickly using a
smaller dose. It
also lasts much longer. Levitra acts in the same way as Viagra,
by blocking an enzyme called phosphodiesterase-5, or PDE-5. This
helps the smooth muscles in the penis to relax, which effectively
increases blood flow.
| DRUGS |
CIALIS |
LEVITRA |
UPRIMA |
VIAGRA |
| Manufacturer |
Lilly Icos |
Bayer |
Abbott Laboratories |
Pfizer |
| Date Introduced |
Feb 2003 |
April 2003 |
June 2001 |
March 1998 |
| Dosage |
5mg,10mg,20mg |
5mg, 10mg,20mg |
2mg,3mg |
50mg,100mg |
| Average Approx. Absorbtion
Rate |
20 Minutes |
40 Minutes |
20 Minutes |
40 Minutes |
| Duration Of Effectiveness |
36 Hours |
4 Hours |
4 Hours |
4 Hours |
| Reported Side Effects |
Headache, Myalgia, Dyspepsia, Back
Pain |
Headache, Flushing, Dyspepsia,
Nasal Congestion |
Headache, Nausea, Dizziness |
Congestion, Diarrhea, Flushing, Headaches,
Urinary Tract Infection, Bluish Vision |
| Contraindications |
Any Nitrate-Based Medicine, Angina, Hypertension,
Hypotension |
Any Nitrate-Based Medicine |
Angina, Myocardial Infarction, Anti-Hypertensive Nitrates |
Any Nitrate-Based Medicine |
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Viagra
originally developed to treat angina sufferers was later discovered
to help the cause of erectile dysfunction. Cialis is also a revolutionary
new drug used to treat Erectile Dysfunction.
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Viagra increases blood flow to the penis, so that
when sexually excited, a man can get and keep an erection. The erection
goes away when the sexual encounter is over. Viagra works in about
30 minutes and lasts for at least 4 hours. Cialis works faster than
Viagra - in about 15 minutes instead of half an hour. It lasts a lot
longer, helping men get erections for 24 hours vs. the four-hour window
Viagra provides.
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When a man is sexually aroused, certain tissues
in his penis relax. This allows large amounts of blood to flow in,
thus producing an erection. Viagra helps by elevating the levels of
the chemical that causes the tissues to relax. Cialis works chemically
in the same way as Viagra, but erection is achieved more quickly using
a smaller dose. It also lasts much longer.
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Cialis impotence pill lasts longer than Viagra
and has more spontaneity. Levitra, by comparison, works for 72-90
per cent of men the first time and goes on to work 95 per cent of
the time.
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Cialis claims less side effects than Viagra. But
many users complained about 'facial flushing', others said it didn't
work after a meal, while some complained that the drug turned their
vision blue. Levitra comes with side effects that have been associated
with headache, facial flushing, and mild indigestion.
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Cialis is available in 10mg and 20mg. 4 comp.
whereas Levitra is available in 5mg, 10mg and 20 mg. 4 or 8 comp.
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Viagra achieved a success rate of 60-80 per cent,
depending on the dosage, in trials. However, it doesn't always work
first time as claimed by some. On the other hand, Cialis impotence
pill lasts longer than Viagra and has more spontaneity.
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Blue discoloration of vision (overlap with PDE-6
in the retina) is seen only with Viagra (<0.5%) and muscle aches
only with Cialis. Viagra can cause some visual problems, including,
an increased sensitivity to light, blurred vision, or an inability
to tell the difference between blue and green. Cialis comes without
some of the side effects that have been associated with Viagra. However,
many men on the drug complained about 'facial flushing', others said
it didn't work after a meal, while some complained that the drug turned
their vision blue.
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Viagra is available in the strength and pack of
25mg, 50mg, 100mg (4-8 comp.) / 100mg (30 tablets USA) whereas Cialis
is available in 10mg and 20mg. 4 comp.
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