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Viagra Pill: Random discovery viagra

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Viagra Pill: Random discovery viagra

Random discoveries: Viagra

The famous Viagra was developed as a remedy for angina, and at first no one paid attention to its unexpected viagra and alcohol side effect. Scientists switched to it when they realized that the developed drug could not be used to treat cores.

“None of us at Pfizer at that time thought much about this side effect. I remember, I thought that even if our drug really worked, who would take the pills on Wednesday to get an erection on Saturday? ”, Recalls one of the specialists of Pfizer, Ian best place to buy generic viagra online Osterloh, in an interview with Cosmos magazine.

Viagra Pill: Random discovery viagra

In the course of further research, it turned out that UK92480 in combination with nitrates, which are the standard means for angina pectoris (in particular, nitroglycerin), enhances over the counter viagra substitute their effect, which leads to an excessive fall in blood pressure. This was one of the reasons why the new drug did not find its use as a medicine for online viagra angina.

Viagra Without A Doctor Prescription – how to take, reviews

And test participants continued to report on the beneficial effects of the drug on erection. It should be remembered that the pills that help to treat impotence, at that time did not exist – only injections or implants.

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Viagra Pill: Random discovery viagra

Osterloh and his colleagues decided to deal with the side effect of the developed substance. Just at that time, studies of the molecular mechanisms viagra prank involved in the erection process began to appear. This allowed scientists to suggest that UK92480 helps dilation of blood vessels in the penis, and this is the main process for erection. The first how much does viagra cost clinical trials gave promising results. And the next stage was to answer important questions, for example, what should be the dose of the drug in real conditions and how it will affect men with different causes of impotence.

The first results of the research are seen by statisticians, and Osterloh recalls how he was nervous and tried to find out anything canadian viagra from them before they officially announced their conclusion. “I remember how hopelessly I tried to catch at least something in the facial expressions and gestures of a leading statistician. But he maintained his characteristic impassivity, and I could not conclude anything by his behavior, ”says the scientist. However, the results generic viagra cost did not disappoint the researchers, and viagra ingredients after that they embarked on the final and most expensive phase of clinical trials, which requires the participation of thousands of volunteers around the world.

Finally, in 1997, 12 years after the start of the entire project, eight years after the substance UK92480 was synthesized for the first buy viagra time, and four years after the start of the tests as a drug for impotence, scientists applied for registration of their drug. In 1998, the drug, which received the commercial name “Viagra”, went on sale.