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Viagra history

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    Viagra history


    The diamond shaped blue pill Canadian Pharmacy Viagra, which is responsible for giving a whole new perception of sexuality to the modern society, has a similarly interesting history behind its invention. The inventors of Viagra actually wanted to invent a medicine for the cure of cardio-vascular diseases, but fortunately or unfortunately, they developed a medicine which could reverse impotence or erectile dysfunction for the first time. An extraordinary Side effect of an ordinary Drug In the year 1991, employees of Pfizer at Sandwich, Kent discovered that chemical compounds belonging to the pyrazolopyrimidinone class were useful in treating heart problems like angina or chest pain. During clinical trials under the direction of Ian Osterloh it was found that the drug had little or insignificant effect on angina. But during this phase, an unexpected side effect of this medicine was observed. Sildenafil could improve and sustain a man’s penile erection. Pfizer than stopped the research on Sildenafil as heart medication and initiated investigation on it for penile erection. buy kamagra jelly uk online According to the Chinese calendar, 2017 was the Year of the Cock. And, in Dog years, this is also the Year of the Cock Pill: Viagra. The revolutionary erectile-dysfunction drug is celebrating the twentieth anniversary of its Brobdingnagian launch in a most auspicious way: by finally going generic. The ramifications for generic sildenafil (the scientific name) are huge for your pocketbook and your health. Viagra’s high demand and cost (about seventy dollars a pill) have made it among the most bootlegged meds in the world, and one of the top sellers for Internet pharmacies. A study presented at the World Meeting on Sexual Medicine found that 77 percent of Viagra sold online was fake. Counterfeit Viagra and similar impostors have been linked to liver damage, strokes, and death. Just a few years back, former Los Angeles Lakers star Lamar Odom ended up face-planted in a Nevada brothel from coke and phony herbal .

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    The history of Viagra dates back to 1996, when it was patented and on March 27, 1998 was approved for sale in case of erectile dysfunction by the FDA Food. prednisolone and diabetes History. Sildenafil compound UK-92,480 was synthesized by a group of pharmaceutical chemists working at Pfizer's Sandwich, Kent. In fact, the history of creation of Viagra is quite curious. Literally, an amazing remedy for erectile dysfunction appeared accidentally. Initially, scientists tried to.

    A generic version of Viagra will be available on Monday (Dec. 11), and it will cost half the price of the "little blue pill." Pfizer, which makes Viagra, will produce its own generic version of the drug, which contains the active ingredient sildenafil, according to the Associated Press. The generic will be white rather than blue, and it will cost around $32 a pill, half Viagra's price. By selling its own generic version, Pfizer will be able to compete with other drug companies that can start selling sildenafil as soon as Monday, when Pfizer's patent on the drug expires, the AP said. Here are five interesting facts about Viagra (sildenafil): When researchers first created sildenafil in the 1980s, it was intended to be a treatment for angina, or chest pain caused by reduced blood flow to the heart, according to a 2004 review article. However, in an early trial, the drug did not produce the heart effects the researchers had hoped for. But a number of study volunteers reported an interesting side effect — they had stronger and more persistent erections. In fact, the history of creation of Viagra is quite curious. Literally, an amazing remedy for erectile dysfunction appeared accidentally. Initially, scientists tried to invent a medicine that will cure people with serious heart diseases. On the other hand, Viagra is not the first drug with an unexpected effectiveness. Maybe you remember that once approximately the same happened with antibiotics. Almost a century ago in Britain a mold was found, which quickly and easily destroyed different types of bacteria. Researchers studied the properties of that mold, and discovered penicillin.

    Viagra history

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    Mar 24, 2008. Viagra, the first oral treatment for erectile dysfunction was developed accidentally by scientists at Pfizer Laboratories and was greenlighted for. buy valtrex cheap Feb 12, 2018. Learn more about the long strange history of Viagra as the little blue pill turns 20 in 2018 including generic viagra, pricing, usage, and where. Mar 27, 2018. When the FDA approved Viagra on March 27, 1998, it was offering a solution to the frustrating — and sometimes scary — effort to cure erectile.

     
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    in 3D with Jsmol Viagra -- Sildenafil Citrate Sildenafil citrate, sold under the names Viagra, Revatio and under various other names, is a drug used to treat male erectile dysfunction (impotence) and pulmonary arterial hypertension (PAH), developed by the pharmaceutical company Pfizer. Its primary competitors on the market are tadalafil (Cialis), and vardenafil (Levitra). History Sildenafil (compound UK-92,480) was synthesized by a group of pharmaceutical chemists working at Pfizer's Sandwich, Kent research facility in England. It was initially studied for use in hypertension (high blood pressure) and angina pectoris (a form of ischaemic cardiovascular disease). Phase I clinical trials under the direction of Ian Osterloh suggested that the drug had little effect on angina, but that it could induce marked penile erections.[1][2] Pfizer therefore decided to market it for erectile dysfunction, rather than for angina. The drug was patented in 1996, approved for use in erectile dysfunction by the Food and Drug Administration on March 27, 1998, becoming the first pill approved to treat erectile dysfunction in the United States, and offered for sale in the United States later that year.[3] It soon became a great success: annual sales of Viagra in the period 1999–2001 exceeded billion. The British press portrayed Peter Dunn and Albert Wood as the inventors of the drug, a claim which Pfizer disputes.[4] Their names are on the manufacturing patent application drug, but Pfizer claims this is only for convenience. Sildenafil Definition of Sildenafil by Merriam-Webster metformin 850 mg price Sildenafil - Wikipedia Chemical & Engineering News Top Pharmaceuticals Viagra
     
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