Viagra
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Mechanism of "Viagra"
action is simple: the drug increases the blood inflow to penis. And
it helps causing the natural erection. "Viagra" has an effect
only if man is naturally sexually aroused; after sexual intercourse
penis naturally comes down to its relaxed condition. In other words,
"Viagra" affects only the natural mechanisms of erection and
this is its unquestionable novelty and secret of its huge popularity.
According to data of various clinical studies and tests of the drug on volunteers with different types of erectile dysfunction, sildenafil citrate possesses quite a high efficiency. But it's necessary to outline some aspects. Unfortunately, there is no such a drug that can treat all the diseases or - as in this case - all the types of erectile dysfunction. "Viagra" is not a panacea, it helps in most cases, but, unfortunately, not to every patient. "Viagra" helps patients with atherosclerosis, with injury of nerves connected with penis vessels, with pancreatic diabetes. The drug isn't very effective for
patients with pathological venous drainage. In all these cases only
a doctor can minutely consider the treating of erectile function disorder.
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