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. propranolol 80 mg side effects The NICE British National Formulary (BNF) and British National Formulary for Children (BNFc) sites are only available to users in the UK, Crown Dependencies and British Overseas Territories. If you believe you are seeing this page in error please contact us. Levitra vs viagra dosage comparison 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. can clomid cause late period In fact, the history of creation of Viagra is quite curious. Literally, an amazing remedy for erectile dysfunction appeared accidentally. Initially, scientists tried to. Sildenafil History the Best Customer Services And Advantage Of Best Prices, Discreet Fastest Worldwide Shipping. Where to buy without a doctor's prescription? 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. Impotence treatments are, in a sense, nothing new – they have been around at least as long there have been medical texts to testify about their existence. Yet, their effectiveness is a completely different story altogether. Throughout much of history, ED treatments were found in the shape of herbal remedies, spells and magic amulets, so one can say their effectiveness was… Once medicine progressed enough to recognize that supernatural forces don’t have much interest in ordinary man’s erectile dysfunction, medical experts of the time turned to other causes. But, even then, the root cause of ED problems was assumed to be rooted in psychological issues, not physiology. It sounds odd from this perspective, but it was only in the late 1980s and early 1990s that scientists actually got interested in searching for physiological causes of impotence. The story of Viagra, at least in a stricter sense, starts in the 1990s in the picturesque little town of Sandwich, Kent, in a Pfizer’s research facility that was determined to develop a new pharmaceutical compound that could treat hypertension and angina pectoris, while preventing blood clots. Once a safe and seemingly suitable substance named sildenafil (originally, compound UK/92,480) was discovered, Ian Osterloh, a British clinical researcher employed at Pfizer decided to begin the first phase of clinical trials in Morriston Hospital in Swansea, Wales. At first, the results were discouraging since effects sildenafil had on angina were negligible. Sildenafil history Sildenafil Prices, Coupons & Savings Tips - GoodRx, The history of creation of Viagra. Viagra Information Website. Diflucan cream Zoloft 50 mg street value How to buy propecia uk Can you buy ventolin inhalers over the counter uk Prior to the discovery of sildenafil, the active ingredient of Viagra was rather inefficient and borderline pseudo-medicine. Read more of its history. When and how was Viagra Sildenafil discovered? Dr Seb Sildenafil History Best Prices Excellent Quality SILDENAFIL Drug BNF content published by NICE Sildenafil History Save money when safely buying Viagra online. PlanetDrugsDirect is a safe and secure Canadian international prescription referral service. buy cialis at walmart On this day in 1998, the Food and Drug Administration FDA approves use of the drug Viagra, an oral medication that treats impotence. Sildenafil, the chemical. Regulatory History of Sildenafil Includes labeling and approval letters Contact FDA. 1-800-332-1088. 1-800-FDA-0178 Fax. Report a Serious Problem. MedWatch Online.