The Truth About Viagra

When Viagra was invented
The active ingredient in Viagra Sildenafil was synthesized by chemists under Pfizer facility in England. This drug was initially used for hypertension (high blood pressure) and angina pectoris (symptom for ischemic heart disease). The earliest phase of clinical trial show minimal effect on angina but had shown remarkable penile erection. Therefore Pfizer decided to market Viagra for erectile dysfunction rather than angina and was patented in 1996. This was approved by the US FDA on March 27, 1998 to become the first oral treatment for erectile dysfunction and was offered for sale in the market of US later that year. This discovery became a great success and reached its peak in sales in 2008 at $1,934 million. There are also disputes made by Pfizer as to whose names are really the original synthesizer of the patented drug.

History Of The Medical Condition Viagra Is Treating
Erectile dysfunction is the main condition Viagra is treating and preventing. Before the oral treatment that was approved for sale in the market in 1998, Dr. John R. Brinkley had already initiated cure for the impotence in the US in 1920s to 1930s. Dr. Brinkley recommended in his radio programs the “goat gland” implants which are expensive, and the injection of “mercurochrome” to restore male virility including surgical operations by Serge Voronoff. A significant development in the study and treatment for ED when, in 1983, British physiologist Giles Brindley, in front of his audience, dropped is trouser and injected a non-specific vasodilator drug to his penis which caused erection. The effect that this had discovered established the basics of the later developed orally taken effective and safe drugs.

How many people are using Viagra?
Viagra is the most widely used treatment for erectile dysfunction. More than 5 million men have used Viagra to improve their sexual function and treat erectile dysfunction in the United States alone. Even doctors in the United States have already prescribed it more than 10 million times. Since Viagra is sold in more than 90 countries worldwide, it’s not surprising that record shows sales worth $1,934 million in 2008 alone. It was even been recorded that some are smuggling it in countries where the drug is banned, because of the demand of the market. This only shows how Viagra is accepted by the worldwide market. And whenever there is a demand there are sales waiting to be counted.

Common facts about Viagra
Although there are now a lot of other named drugs that can function as Viagra, this drug is the widely known cure among them. This was supposed to treat heart ailments but surprisingly caused erection instead.

Patients don’t need to take the pill every day on a regular basis. This needs to be taken only orally whenever needed and advisable to do so about 15-30 minutes before engaging in sexual intercourse.

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